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6 Things To Know About Keratoconus

happy couple in winter 640×350Keratoconus is an eye disease that causes the cornea, the clear dome-shaped front surface of the eye, to become misshapen and bulge. This progressive disease usually occurs in both eyes and affects approximately 50-200 in every 100,000 individuals.

People who have keratoconus often experience problems like blurred vision, distorted vision, night blindness and sensitivity to light. Clear vision correction for keratoconus can be challenging to achieve because the irregular corneal shape makes it difficult or impossible for standard eyeglasses or contact lenses to provide you with sharp vision.

Thankfully, there are ways for people with keratoconus to achieve clear and comfortable vision, something we explore below, along with several other key points about keratoconus.

1. Everyone has different risk factors for developing keratoconus

Some risk factors for developing keratoconus include:

  • Hereditary predisposition
  • Eye rubbing
  • Other medical conditions like Down syndrome, allergic dermatitis and connective tissue disorders
  • Eye inflammation

2. Keratoconus can develop at any age

Although most cases of keratoconus are first diagnosed in adolescence or young adulthood, it can appear during any stage of life. That’s why regular eye exams are crucial, even if your vision seems clear and your eyes appear to be healthy.

3. Early diagnosis is key

This rings true for almost every eye disease, especially keratoconus. Catching it early in its tracks can allow the eye doctor to implement various treatments to slow down its progression during the initial stages, when this condition tends to worsen more rapidly.

4. Keratoconus progresses at different rates throughout life

Keratoconus progression varies from person to person, and one person can experience varying degrees of progression in each eye. Some patients live with mild keratoconus their entire lives, while other patients develop severe keratoconus early on.

Often, optometrists will recommend that patients undergo certain procedures to strengthen the cornea and prevent or slow down further progression.

5. Keratoconus can be treated with surgery or scleral contact lenses

Corneal cross-linking surgery is an effective option to provide enhanced strength to the cornea and is the only FDA-approved method of stopping or slowing keratoconus progression. However, if the condition develops into severe keratoconus, a corneal transplant may be the best option for treating the condition and restoring clear vision.

Scleral contact lenses offer another option to surgery. They are ideal for patients with early or moderate levels of keratoconus because they safely and effectively correct vision without irritating the misshapen cornea. In fact, studies have shown that patients with keratoconus who wear scleral contact lenses greatly reduce their risk of needing keratoplasty (corneal transplant surgery).

The large diameter of scleral contact lenses allows them to vault over the sensitive corneal tissue and then also coat the cornea in a nourishing reservoir of fluid for optimal comfort and visual clarity. Because eye rubbing and corneal irritation are significant risk factors for the progression of keratoconus, the protective qualities of scleral lenses can help to minimize keratoconus progression.

6. You can live a normal life with keratoconus

With the proper care and treatment from your optometrist, keratoconus shouldn’t stop you from living your life to the fullest. Although it can be discouraging to experience vision problems that can’t be resolved with standard lenses or glasses, know that there are other options available.

At Yesnick Vision Center, we help patients with keratoconus and other corneal abnormalities achieve crisp and comfortable vision using scleral contact lenses and other specialty lenses.

Our practice provides scleral lenses to patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

Frequently Asked Questions with Dr. David Yesnick

Q: Who else can benefit from wearing scleral contact lenses?

  • A: Scleral contact lenses are ideal for patients with any of the following conditions: corneal abnormalities, severe dry eye syndrome, post-LASIK or corneal transplant, eye allergies, high refractive error or corneal trauma. Speak with your optometrist to find out if scleral lenses are right for you.

Q: Do all optometrists fit specialty contact lenses like sclerals?

  • A: No. If you are interested in scleral contact lenses, be sure to choose an optometric practice that has years of experience fitting specialty lenses. At Yesnick Vision Center, we have the knowledge, skill and experience necessary to provide you with the best lenses for your eyes. Call us to learn more or schedule your scleral lens fitting.

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The Link Between Myopia Progression and COVID Confinement

The Link Between Myopia Progression and COVID Confinement 640×350Several months into the COVID-19 pandemic eye doctors began to notice that children’s myopia was worsening. Researchers set out to learn whether there was, in fact, a link between the pandemic and increased myopia progression, and if so, why.

How The Pandemic Affected Children’s Vision

A recent study published in JAMA Ophthalmology (2021) found that children aged 6 to 13 experienced an increased rate of myopia progression since the beginning of the pandemic, and the lockdowns and restrictions that accompanied it.

The researchers examined the rate of myopia progression from 2015 to 2020 in more than 120,000 children from 10 elementary schools, based on school vision screenings. By the end of the study, children were shown to have significantly higher rates of myopia progression in 2020 than in previous years.

The higher rate of progression was especially severe in children between the ages of 6 and 8. Researchers theorized that the children’s earlier stage of visual development might have been the crucial factor.

Other studies have already determined that children who spend at least 2 hours a day outdoors experience less myopia progression than their peers who stay mostly indoors.

Researchers from the National Eye Institute found that children who spent significant time outdoors — about 14 hours a week — significantly reduced their chances of needing glasses for myopia. Among children with two myopic parents, the chances of needing glasses are roughly 60% if they don’t spend significant time outdoors. However, this study found that, after spending the prescribed 14 hours per week outside, the same children’s risk of myopia dropped to around 20%.

Similar results appear in a study published by the journal of the American Academy of Ophthalmology (February 2019), that shows a significant link between the amount of time children spend engaged in near-work tasks and increased myopia progression.

Taken together, these studies give us a clearer picture of the challenges children have faced during the COVID-19 pandemic, and why myopia rates in children have soared.

What Can Parents Learn From All Of This?

Parents should make an effort to encourage their children to go outside as often as possible and to spend more time away from screens and other near-work tasks. Moreover, progressive myopia in childhood has been linked to heightened risks of developing sight-robbing eye diseases later in life, such as glaucoma, macular degeneration and cataracts.

If you’re concerned about your child’s myopia, make an appointment with their eye doctor as soon as possible, as delays in seeking professional advice can make myopia management more challenging in the future.

Our practice offers myopia management to patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

 

References:

https://pubmed.ncbi.nlm.nih.gov/33443542/

https://www.aaojournal.org/article/S0161-6420(17)33464-4/fulltext

 

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What’s the Link Between Sleep and Glaucoma?

Sleep is usually a time for restoration and healing, but the way we sleep, how much we sleep and conditions like apnea can increase your chances of developing a serious eye condition: glaucoma.

Glaucoma is a sight-threatening optic nerve disease that generally affects people over 50 and, in its early stages, usually presents no symptoms until permanent vision loss has occurred.

This is why it’s essential to have your annual eye exam, especially if you’re 50 or older or at high risk of developing glaucoma. Regular check-ups enable your eye doctor to detect any eye problems, including glaucoma, early on. This can maximize the effectiveness of eye disease treatment and management.

If you’re due for your annual eye evaluation, schedule your eye exam with at in today.

Sleep and Risk Factors for Glaucoma

The quality and amount of our sleep and the way we sleep can increase our risk of developing glaucoma due to the following factors:

Eye Pressure and Glaucoma

The pressure within our eyes is affected by the amount of aqueous fluid and its ability to drain from the eyes. The aqueous fluid doesn’t drain efficiently when we lie flat on our back. The lack of drainage due to positioning during sleep can increase ocular pressure, which can strain the optic nerve and increase the risk of glaucoma.

Blood Pressure and Glaucoma

When we sleep, our blood pressure decreases. This is often good for people who suffer from hypertension because it takes some pressure off the cardiovascular system. However, long periods of low blood pressure, or hypotension, during sleep has been shown to exacerbate glaucoma symptoms.

Sleep Apnea and Glaucoma

Sleep apnea is marked by the occasional or frequent cessation of breathing during sleep. Usually, the person is unaware that they have sleep apnea, and only a partner or someone else who sleeps in the same room will notice that they make choking or gasping sounds as they stop breathing.

These periods of interrupted breathing can lessen the flow of oxygen and damage the optic nerve. There is an observable link between people who have sleep apnea and those who suffer from glaucoma, which may suggest a causal connection. The risk of people with sleep apnea developing glaucoma could be as high as 10 times the average. Individuals with sleep apnea should consult with their primary care physician, who can suggest lifestyle changes and devices such as oral appliances to help treat the condition.

Glaucoma and the Amount of Sleep

Too little or too much sleep can affect general health and contribute to eye problems. As mentioned above, extended periods of lying down can increase pressure on the optic nerve and contribute to the development of glaucoma. Yet too little sleep causes fatigue and has been associated with field vision loss.

According to a National Health and Nutrition Examination Survey (2005-2008), those who slept 10 hours or more a night had triple the risk of developing glaucoma compared to people who slept only 7 hours a night. Getting three hours of sleep a night tripled the risk of field vision loss.

Among other lifestyle glaucoma prevention tips, such as maintaining a healthy weight and not smoking, getting the right amount of sleep — not too much or too little — are important steps towards preventing optic nerve problems.

How Glaucoma Interferes with Sleep

Not only does the amount and way we sleep affect the development and progression of glaucoma. This optic nerve disease can interfere with our sleep. This occurs because the communication between the retina’s photosensitive cells and the hypothalamus — the part of the brain that contains the circadian clock that regulates sleep — is disrupted in glaucoma patients.

The hypothalamus no longer sends a message to the pineal gland to secrete melatonin and induce sleep at the proper time. The result: people with glaucoma may also experience sleep disturbances.

Risk factors for Glaucoma

Since many glaucoma patients do not experience symptoms prior to diagnosis, it is essential to undergo regular eye exams, especially for those considered at higher risk:

  • Aged 50 or older
  • Have a family history of glaucoma
  • Hypertension, diabetes, sickle cell anemia, heart disease
  • Are African American, Asian or Hispanic
  • Have corneas that thin at the center
  • Eye injury or prior eye surgery
  • High myopia (severe nearsightedness)
  • Take corticosteroids such as eye drops, pills or creams

How is Glaucoma Detected?

A digital eye exam maps out the eye with 3D full color images allowing your eye doctor to detect any problems early.

Retinal imaging can detect glaucoma and show optic nerve damage. Eye dilation is occasionally required before the imaging of the eye to enable your optometrist to more easily see the inside of your eye.

To facilitate the early diagnosis and treatment of glaucoma and other eye diseases and conditions, schedule an appointment with at in today.
At Yesnick Vision Center, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 702-500-0525 or book an appointment online to see one of our Las Vegas eye doctors.

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What are the symptoms of glaucoma?

Symptoms vary depending on the type of glaucoma.

Open-angle glaucoma results from a lack of drainage of fluid from the eye. It generally has no obvious symptoms in its early phases. In its later stages, it presents with:

  • Blind spots and patches in the central or peripheral vision
  • Tunnel vision

Acute angle-closure glaucoma occurs when there is a sudden buildup of fluid pressure in the aqueous humor. Symptoms include:

  • Headaches
  • Pain in the eyes
  • Blurry vision
  • Nausea
  • Eye redness
  • Appearance of halos

What Causes a Feeling of Pressure Behind the Eye?

Glaucoma is often caused by pressure on the optic nerve. However, a feeling of pressure behind the eye is generally only felt with closed-angle glaucoma.

An excessive amount of fluid in the eye, called the aqueous humor or a sudden blockage to proper drainage causes a buildup and increased pressure on the optic nerve. Drainage of the aqueous humor is through the trabecular meshwork, which is located where the cornea and the iris meet.

Eye Vitamins: Can They Prevent or Treat Glaucoma?

Some initial studies have shown a potential link between Vitamin A and Vitamin C and a protective effect related to glaucoma. However, a systematic review of the literature on vitamins and glaucoma (Nutrients, March 2018), concludes that these studies are inconclusive and more research, including randomized clinical trials, are needed to establish any clear link between specific vitamins and preventing or treating glaucoma.

Prosthetic Soft Contact Lenses

seeing floater in your vision Las Vegas NV 640xx350Prosthetic soft contact lenses are used all the time in Hollywood to change the look of an actor’s eyes. Depending on the genre, you’ll see contact lenses that make perfectly normal, healthy eyes appear blind, scarred or supernatural.

Many people don’t realize that prosthetic soft contact lenses can also do the opposite: cover up real scars and other disfigurements and defects of the eye to improve its appearance. The lenses also offer a therapeutic solution for some eye conditions.

What Are Prosthetic Soft Contact Lenses?

Prosthetic soft contact lenses are a type of lens specifically designed to cover up the scarred, damaged or otherwise disfigured surface of an intact eye. This can be for purely cosmetic purposes, therapeutic purposes or both.

Depending on the purpose of the contact lenses, and the extent of scarring or damage, there are several types of lenses that your eye doctor may recommend.

Cosmetic Purposes

Various colored lens designs can help cover up the defects in the eye. In most cases, the color of the contact lens can be made to match that of the healthy eye. Prosthetic contact lenses come in three broad categories:

  • Standard Opaque. These are the most cost-effective cosmetic prosthetic lenses, as they are the most widely produced. They offer a wide selection of base curves, eye diameters, pupil sizes and prescriptions. In some cases, multiple opaque lenses can be combined to more exactly match the eye color of a patient’s healthy eye. However, these types of lenses may not fit everyone, as they’re generally computer-generated, and not customizable.
  • Transparent Tinting. These are customizable translucent contact lenses, with slight tinting to complement and enhance the existing color of the iris. These work best with patients who have darker eye colors since light eye colors don’t show through as well.
  • Custom Hand-Painted. These lenses are fully customizable. Your eye doctor will send a picture of your healthy eye to the lab where the lens is being produced. The lab technicians will hand paint an exact match onto a blank contact lens. This option produces the closest match to your healthy eye but is also the most expensive and least reproducible as a result of the labor-intensive way the lens is produced.

Therapeutic Purposes

Vision and ocular issues can sometimes result from congenital defects, disease or an injury sustained to the head or directly to the eye. In these cases, prosthetic contact lenses can be helpful in improving vision in the affected eye, as well as enhancing its cosmetic appearance. Some of the eye conditions these lenses can address:

  • Light Sensitivity. In a healthy eye, the pupil constricts and expands to control the amount of light entering the eye, depending on the amount of light in the environment. Some eye conditions and injuries can result in the pupil losing the ability to change its size, causing too much light to enter the eye in situations when the pupil would normally constrict to limit incoming light. This can be highly uncomfortable and even damaging to the eye due to excessive harmful UV rays entering the eye. Prosthetic contact lenses with a smaller opening for the pupil can help block some of this incoming light, minimizing or eliminating light sensitivity. Certain tinted lenses can also provide an effect similar to sunglasses to accomplish the same results.
  • Double Vision. Conditions and injuries that cause the eyes to lose the ability to move and focus in unison can create a situation where a person has chronic double vision. This affects daily functioning and can regularly cause severe headaches and nausea. One often-effective solution is to block the weaker eye so that the brain is only receiving a single image, alleviating double vision. Many people would prefer not to do this with an eye patch, which is conspicuous and intrusive. A better solution for these people may be a prosthetic lens with a completely opaque pupil. The rest of the lens is created to look just like the healthy eye.
  • Color Blindness. Color blindness affects as many as 1 in 12 males, and 300 million people worldwide. This is due to a deficiency in the retinal nerve cells of your eye that are responsible for light and color reception. In the same way that sunglasses with certain tints can cause some colors to seem more vivid than others, prosthetic contact lenses with certain color tints can help accent targeted colors, to help minimize or eliminate the impact of color blindness.

If you have a condition or injury that has left your eye disfigured or decreased the quality of your vision, prosthetic soft contact lenses may be a good solution for you. Speak to our eye doctors at in to learn more about how we can help.

At Yesnick Vision Center, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 702-500-0525 or book an appointment online to see one of our Las Vegas eye doctors.

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How are prosthetic contact lenses prescribed?

Fitting your eye with a prosthetic contact lens begins with a standard comprehensive eye exam. Your eye doctor will take a thorough look at your eyes to check for conditions that might make it difficult for you to wear prosthetic lenses.

If your eye doctor believes you are a good candidate for prosthetic contact lenses, they will perform a comprehensive contact lens examination and a contact lens fitting. Along with the contact lens exam and fitting, your eye doctor will take close-up color photographs of your eyes to help match your prosthetic lens to the natural eye color and appearance of your healthy eye.

How long do prosthetic contact lenses last?

Prosthetic contact lenses are created to last for roughly 12 months. Hand-painted and tinted contact lenses will fade over the course of the year. Although computer-generated lenses are less likely to fade, you should still plan on replacing them on the same 12-month schedule.

Ask your eye doctor about proper care, including what contact solutions should be used for cleaning and storage. This is crucial, as improper care and the use of inappropriate contact solutions can significantly shorten the length of time that the prosthetic lenses last.

Can Restricting Online Gaming Time Reduce Myopia Progression?

Two kids playing online gamesThe Chinese government recently implemented a new policy that’s sparked conversations about childhood myopia and online gaming.

Under the policy, Chinese children and teens under the age of 18 are only permitted to play online video games for one hour on weekend evenings and public holidays — a significant reduction compared to their previous online gaming allotment. This restriction includes all forms of video games, from handheld devices to computer and smartphone gaming.

The government hopes to combat a common condition called online gaming disorder, or video game addiction, which affects more than 30% of children in China. Another potential benefit of limiting online gaming may be a reduction in childhood myopia progression, something we explore below.

The Link Between Online Gaming and Myopia Progression

Myopia, or nearsightedness, is a condition that causes blurred distance vision. Several factors contribute to the onset and progression of myopia, including genetic and environmental.

Several studies have found that screen time, along with other forms of near work, is associated with higher levels of myopia and myopia progression in children.

According to a study published in the British Journal of Ophthalmology (2019), children who engage in screen time for more than 3 hours per day have almost 4 times the risk of becoming myopic. Younger children, around ages 6-7, are even more susceptible to experiencing screen-related nearsightedness, with 5 times the risk compared to children who don’t use digital screens.

Limiting screen time may also encourage children to spend more time outdoors in the sun, a protective factor against developing myopia and slowing its progression.

In The Sydney Adolescent Vascular and Eye Study (2013), researchers found that spending at least 21 hours outdoors per week was more important for delaying the onset of myopia than limiting near work in both younger and older children, although both were effective.

What’s the Bottom Line?

Although online gaming can give children a sense of community and togetherness, excessive online gaming can increase a child’s risk of developing myopia and contribute to its progression.

The good news is that parents can make eye-healthy choices for their children that can have lifelong benefits. Limiting near work activities like online gaming and other screen time, and encouraging your children to play outdoors can significantly reduce their chances of developing high (severe) myopia.

How Myopia Management Can Help

The best thing that parents can offer their children to prevent myopia and halt its progression is a custom-made myopia management treatment plan with an eye doctor.

Whether or not myopia has set in already, we can help preserve your child’s eye health and lower their risk of developing sight-threatening eye diseases like glaucoma, cataracts, macular degeneration and retinal detachment in the future.

To learn more about our services or schedule your child’s myopia consultation, contact Yesnick Vision Center in Las Vegas today!

Yesnick Vision Center offers myopia management to patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

Frequently Asked Questions with Dr. David Yesnick

Q: Who is an ideal candidate for myopia management?

  • A: Children, teens, and young adults who are nearsighted or are at risk of becoming nearsighted are ideal candidates for myopia management. If you think myopia management is right for you or your child, speak with us about how we can help. Remember, the sooner your child starts myopia management, the better their outcome will be.

Q: Is myopia management based on scientific evidence?

  • A: Yes! The treatments used in myopia management are all safe and clinically proven to slow the onset and progression of myopia in children and teens. There have been several scientific studies that support its effectiveness.

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Blinking Exercises for Dry Eye

Blinking Exercises 640×350Did you know that the average person spends around 7 hours a day looking at a screen? The glare and reflections from computer, smartphone, and tablet screens can reduce blink rates by as much as 60%. When we concentrate intensely we tend to blink less, which can, in turn, lead to dry eye syndrome.

Symptoms of dry eye syndrome include red and dry eyes, irritated eyes, blurred vision, painful or stinging eyes, light sensitivity and mucus around the eyes.

Blinking helps keep our eyes healthy and comfortable. With every blink, the ocular surface is cleaned of debris and lubricated, so less blinking means more irritation and dryness.

Below are a few blinking exercises to help you ensure that your eyes remain lubricated and refreshed throughout the day.

Blinking Exercises

Blinking exercises are simple to do and can be seamlessly integrated into your daily routine. These exercises should be done a few times an hour. Try alternating between the 2 exercises below.

1. Close-Pause-Pause-Open-Relax

  1. Without squeezing, gently close your eyes.
  2. Pause and keep your eyes closed for 2 seconds.
  3. Gently open your eyes and relax them.
  4. Repeat 5 times

2. Close-Pause-Pause-Squeeze-Open-Relax

  1. Without squeezing, gently close your eyes.
  2. Pause and keep your eyes closed for 2 seconds.
  3. While keeping your eyes closed, squeeze your eyelids together slowly and gently.
  4. Gently open your eyes and relax them.
  5. Repeat 5 times

The Importance of Fully Blinking

It’s important to fully blink to completely lubricate your eyes. If you’re only partially blinking, it can render your dry eye symptoms worse.

To find out whether you are fully blinking, just look at your eyes in the mirror. If they feel dry or appear red, or if you see a horizontal stripe of red blood vessels across your eyes, then you have been partially blinking.

If you’ve incorporated blinking exercises into your routine but are still experiencing eye irritation, you may have dry eye syndrome. We can diagnose the underlying cause of your symptoms, and offer a variety of dry eye treatments to alleviate any discomfort. Schedule an eye exam with Yesnick Vision Center today to receive effective, long-lasting relief.

Yesnick Vision Center serves dry eye patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

Frequently Asked Questions with Dr. David Yesnick

Q: What is dry eye syndrome?

  • A: Dry eye syndrome is caused either by insufficient tears or poor tear quality. Every time you blink, you leave a thin film of tears over the surface of your eyes. This helps keep your vision clear and your eyes healthy. If your tears don’t keep the surface of your eye moist enough, you will experience dry eye symptoms. Some medical conditions, certain medications, dysfunctional glands, allergies and environmental irritants can all cause dry eye symptoms.

Q: What are the symptoms of dry eyes?

  • A: Symptoms of dry eye include irritation; a gritty, scratchy or burning sensation; blurred vision; excessive tearing; and/or a feeling of having something stuck in the eye.

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6 Tips For Adjusting To Wearing Scleral Lenses

6 Tips For Adjusting To Wearing Scleral Lenses 640×350Congratulations on your new pair of customized scleral contact lenses! As with most new things, there can be a learning curve when getting your scleral contacts to feel and fit just right.

Whether you’ve been prescribed sclerals for keratoconus, dry eye syndrome, corneal abnormalities or other conditions, it can take up to two weeks for you to feel completely comfortable in your new contacts.

Here are some tips to help shorten the adjustment period on your scleral lens journey:

1. Stick to proper hygiene protocol

Even the most perfectly fitted scleral lenses won’t feel right if they aren’t cleaned and cared for properly. Carefully follow the hygiene guidelines prescribed by your optometrist without cutting any corners. Although it may seem tedious at first, your efforts will be well worth the results.

2. Practice makes progress

The only way to make inserting and removing your lenses second nature is to wear them. Don’t be discouraged if it takes a bit more time to insert them than you’d anticipated. Wearing your sclerals daily will give you the opportunity to practice wearing and caring for your lenses.

3. Try out different insertion tools and techniques

At your initial fitting or follow-up consultation, your eye doctor will show you ways to safely and comfortably insert your lenses. Some patients prefer using a large plunger, while others prefer the scleral ring or O-ring. If neither of these recommended techniques are working for you, seek advice from your eye doctor.

4. Overfill the lens

A common problem that many patients encounter when they begin wearing scleral contact lenses is how to get rid of tiny air bubbles that get trapped in the lens’ bowl. Try filling up the lens with the recommended solution until it is almost overflowing. That way, you’ll have enough fluid left in the lens even if some spills out when you bring it up to your eye.

5. Give it time

If your scleral lenses feel slightly uncomfortable upon insertion — don’t worry. It’s recommended to wait 20-30 minutes to allow them to settle on the eye’s surface before attempting to readjust or remove them. Of course, remove them immediately and try again if you feel significant discomfort.

6. Follow up with your optometrist

Even once you leave your optometrist’s office, we encourage you to remain in touch with your eye doctor if something doesn’t feel right or if you have any questions regarding your scleral lenses.

To learn more or to schedule a scleral lens consultation, call Yesnick Vision Center today!

Yesnick Vision Center provides scleral lenses to patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

Frequently Asked Questions with Dr. David Yesnick

Q: What are scleral contact lenses?

  • A: Scleral contact lenses are rigid gas permeable lenses with a uniquely large diameter. They rest on the sclera (whites of the eyes) instead of the cornea, making them a more comfortable and stable option for people with corneal irregularities or dry eye syndrome. Scleral contacts hold a reservoir of nourishing fluid between the eye’s surface and the inside of the lens, providing the patient with crisp and comfortable vision.

Q: Who is an ideal candidate for wearing sclerals?

  • A: Patients with keratoconus, corneal abnormalities, ocular surface disease (dry eye syndrome) and very high refractive errors can all benefit from scleral lenses. Moreover, those with delicate corneas due to disease or after surgery find scleral lenses to be comfortable and therapeutic, as the lenses don’t place any pressure on the sensitive corneal tissue.

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Do You Experience Blurred Vision After Eating?

Experiencing blurred vision after eating a carb-based meal may be an early warning sign of diabetes. Temporary spikes in blood sugar, such as after enjoying a sugary treat, can affect your eyes’ focusing abilities.

High blood sugar levels can eventually lead to irreversible vision loss. Fortunately, Yesnick Vision Center can carefully monitor your eye health and vision, to ensure the early detection and treatment of diabetes-related eye problems.

How Can Elevated Blood Sugar Lead To Blurry Vision?

Diabetes occurs when a person’s blood sugar levels are excessively elevated and the body is unable to metabolize food in a healthy way. Too much sugar in the blood can cause fluid to build up in the lens of the eye and negatively impact your ability to see clearly.

The crystalline lens in the eye is responsible for focusing light directly onto the retina for clear, crisp vision. However, the excess fluid in the lens caused by high blood sugar reduces the lens’ focusing capacity.

These foods cause the quickest and highest spikes in blood sugar levels, so pay attention to any visual changes after eating the following:

  • White bread, rice and pasta
  • Fruit juice
  • Candies
  • Baked goods
  • Potatoes in any form
  • Sugary sodas and beverages
  • Breakfast cereals

Blurred vision can also result from diabetic retinopathy, a serious complication of diabetes. When the blood vessels in the retina become damaged due to prolonged uncontrolled blood sugar levels, they can leak fluid into the retina and cause it to swell.

Of course, temporary blurred vision doesn’t always mean diabetes. If you experience any sudden changes in vision, whether temporary or not, contact your eye doctor without delay to rule out any underlying conditions.

To schedule an eye exam with our friendly and experienced optometric team, contact Yesnick Vision Center in Las Vegas today!
At Yesnick Vision Center, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 702-500-0525 or book an appointment online to see one of our Las Vegas eye doctors.

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What are other possible causes of temporary blurry vision?

Temporary blurred vision can also be caused by: dry eyes, migraines, glaucoma, eye strain, certain medications, keratitis, conjunctivitis, cataracts and macular degeneration. Always report any visual changes to your local optometrist for prompt treatment.

How often do I need an eye exam?

The American Optometric Association recommends that adults between the ages of 18-65 have a comprehensive eye exam with an optometrist every 1-2 years, or as often as directed by their eye doctor. Senior citizens and those at risk of eye disease should visit their optometrist annually.

5 Contact Lens Health Tips

Contact lenses are a convenient way to correct vision without glasses or LASIK surgery. To keep their eyes healthy, contact lens wearers should adopt a care regimen that involves regular rinsing, disinfecting and replacing their lenses when needed.

A contact lens exam and fitting session with Yesnick Vision Center in ​​Las Vegas will ensure that you receive the best lenses for you and your lifestyle. The eye doctor will also instruct you on how to clean and care for them.

The following tips are essential for healthy and safe contact lens use:

  1. Replace contact lenses as advised by your eye doctor
  2. Wash hands carefully before touching the lenses, either removing or inserting
  3. Only use the prescribed solution to rinse lenses
  4. Disinfect contact lenses as instructed by your eye doctor
  5. Schedule a contact lens exam and fitting
  6. Always attend your contact lens follow up exams, even if you are not experiencing any problems

Replace Contact Lenses as Instructed

It’s important to replace your contact lenses as directed by your eye doctor. The period of time you can wear your lenses before using new ones depends on the type of lenses you have:

  • Daily disposable lenses – one-time use
  • Bi-weekly disposable lenses – replace every two weeks or sooner
  • Monthly lenses – every month
  • Traditional (non-disposable) lenses – replace every 6 to 12 months, or as per your eye doctor‘s advice.

Inspect your lenses carefully. If they are showing signs of wear and tear, replace them sooner. Exceeding the maximum time frame for contact lens wear can increase the risk of eye irritation and infection, and may even damage your eyes to the point where you can no longer wear contact lenses.

Wash and Dry Hands Carefully Before Applying Contact Lenses

Teens and adults often lead active lives and it can be easy to skip important routines like washing your hands with soap and water and drying them thoroughly with a lint-free towel or paper towel before applying contact lenses. This step shouldn’t be ignored as unwashed fingers transmit germs onto the lenses, which can enter the eye and lead to serious eye damage and vision loss.

So make sure you use plain soap (and not heavily scented varieties that may contain irritants) and dry your fingers with a lint-free towel before inserting or removing your contacts.

Use Solution to Rinse Contact Lenses

Rinsing contact lenses properly keeps tiny particles of makeup residue and microbes from reaching your eye. Apply the solution generously and rub the lens in the palm of your hand.

Even if you are at school or work and feel you are in too much of a hurry to get your solution, do not use tap water to rinse your lenses. Tap water is teeming with minerals, impurities and microbes that can damage lenses, irritate your eyes and spread infection.

Disinfect Contact Lenses

Disinfecting contact lenses kills germs and pathogens that can cause eye infections. There are several products and methods for disinfecting:

  • Multipurpose solution
  • Hydrogen peroxide
  • Disinfecting devices

A multipurpose solution (MPS) can be used for routine rinsing as well as disinfecting. The procedure involves rinsing the lenses twice, placing them in a case filled with the multipurpose solution, letting the lenses soak, then rinsing them again before use.

The vast majority of eye doctors recommend an MPS for all disposable lenses

Hydrogen peroxide is a powerful disinfectant that should be used with care and only with a [neutralizer]. Rinse the lenses and place them in a special contact lens container, then dip them in the solution. A [neutralizer] may be built-in to special lens holders or is available in tablet form. After the solution has been [neutralized], you can rinse, dry, and wear the contact lenses.

Schedule a Contact Lens Exam, Fitting and Follow Up

To keep your eyes healthy and vision sharp, your contact lenses should be the right size and type to suit your vision requirements and lifestyle. A thorough contact lens exam and fitting are essential. Your eye doctor will perform a series of tests, including measurements of the cornea, iris and pupil, an evaluation of tear production and of the surface of your eyes.

A contact lens exam also includes questions about lifestyle and what kind of lenses you prefer. For instance, a teenager who is on a high school sports team may also need disposable lenses for road games and swim meets. The exam also involves a fitting session as well as follow-up exams to ensure the lenses do not cause irritation.

Follow up appointments are essential to allow the eye doctor to observe your eye health and make any adjustments to the lenses or your care regimen. It is essential to come to these exams, even if you are not experiencing any problems.

To schedule a contact lens exam, fitting or follow-up exam, contact us at Yesnick Vision Center in ​​Las Vegas. We serve patients of every age, from children to seniors. Book your appointment with Yesnick Vision Center today

At Yesnick Vision Center, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 702-500-0525 or book an appointment online to see one of our Las Vegas eye doctors.

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Q&A

Why do my eyes feel dry when I wear contacts?

There are a few possible reasons your eyes may feel dry or irritated when wearing contacts. Your contacts may not be fitting properly or something may have entered into your eyes. There may also be an issue with your eyes and may be suffering from dry eye disease. It’s best to speak with your eye doctor and choose the optimal lens for ultimate comfort and hydration. If dry eye disease is diagnosed, your eye doctor will provide guidance and help you get the treatment you need for lasting relief.

7 Ways to Wish Dry Eye ‘Goodbye’

7 Ways to Wish Dry Eye Goodbye 640×350There’s no reason to suffer through the uncomfortable, sometimes debilitating symptoms that can accompany dry eye syndrome. Living with chronically dry, red and irritated eyes can affect your productivity and overall enjoyment of life.

That’s why we’ve put together 7 of our top tips for relieving dry eye syndrome.

1. Stay Hydrated

The tears are mostly made up of water, supplied by the tear glands. People need to drink enough liquid to maintain a stable tear film, so if your body isn’t sufficiently hydrated, your eyes won’t be able to produce sufficient tears and will suffer the consequences.

Keep your water bottle at arm’s reach throughout the day. You can even sip on juices, broths and dairy or plant-based milk to keep your body and eyes properly hydrated. Many health authorities recommend drinking between 2-3 liters of hydrating fluids per day.

If your eyes have been feeling dry or irritated, try limiting your alcohol intake because it is a diuretic.

2. Use Artificial Tears

Artificial tears aren’t just great for making your eyes feel more comfortable; they also have protective properties that can prevent ocular surface damage from occurring or worsening.

The tricky part is choosing the correct drops for your specific condition.

By assessing your eyes, your eye doctor can determine what’s causing your eyes to be dry and recommend the most appropriate drops. There are numerous types of artificial tears on the market, and what may work for a friend or relative may not be the best option for you.

3. Up Your Omega-3 Intake

A healthy tear film consists of three layers: water, oil and mucus. An imbalance in any of these components can result in tears that evaporate prematurely. To ensure that your eyes can produce enough of the oils that stabilize your tears, include the recommended daily intake of Omega-3’s in your diet. You can take a supplement and/or eat foods like fatty fish, seeds and nuts.

*It’s best practice to speak with your healthcare provider before making any changes to your diet or introducing a new supplement to your routine.

4. Wear Sunglasses

Sunglasses not only reduce your glare symptoms and provide important UV protection but also effectively offer relief from dry eyes. Dry eyes are vulnerable to irritation from light winds that can dry out the eye’s tear film.

Whenever outdoors, wear a pair of protective wraparound sunglasses to minimize the effects of wind and seal out dirt and debris that can be carried in the breeze. For severe cases of dry eye syndrome, ask your optometrist about specific lenses or eye drops to provide even more relief from dry eyes.

5. Use a Humidifier

When the air around you is too dry, it pulls the remaining moisture from your tears, leaving your eyes feeling parched.

Humidifiers combat the dryness in any indoor environment by replenishing moisture in the air. Whether at work or home, use a humidifier to offset dryness, especially if you are using a fan, heater or air conditioner in the room.

6. Try Warm Compresses

Warm eye compresses are a great way to relieve symptoms of mild to moderate dry eye syndrome.

The gentle heat from a compress helps to soften any hardened oils that may be clogged in the little oil glands that line the eyelashes. Your oil glands will work more efficiently to deliver tear-stabilizing oils to your eyes’ surface once the glands aren’t blocked. Your eye doctor will instruct you on how to easily prepare a warm eye compress at home.

7. Visit Your Dry Eye Optometrist

Your [eye doctor] offers a range of successful options to treat your dry eyes to ensure you always have clear vision and comfortable eyes. Call your dry eye optometrist to have your eyes thoroughly evaluated and treated for long-lasting relief. There is a wide range of in-office treatments that can alleviate symptoms of dry eye syndrome and help your eyes feel refreshed.

To learn more about our dry eye services and schedule a consultation, call Yesnick Vision Center in Las Vegas today!

Yesnick Vision Center serves dry eye patients from Las Vegas, Spring Valley, Summerlin, and Henderson, Nevada and surrounding communities.

Frequently Asked Questions with Dr. David Yesnick

Q: What are other symptoms of dry eye syndrome?

  • A: Aside from redness and dryness, dry eye syndrome can also cause watery eyes, stinging or burning, stringy mucus, blurred vision, grittiness, light sensitivity and difficulty wearing contact lenses. Symptoms can range from mild to debilitating, and from occasional to chronic.

Q: Does dry eye syndrome need to be treated?

  • A: If left untreated, dry eye syndrome can cause eye inflammation, corneal ulcers or abrasions and even vision loss in severe cases. Dry eye syndrome also puts a person more at risk of developing eye infections. If you have any symptoms of dry eye syndrome, contact us for a tailor-made treatment plan.

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