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The Best Foods for Your Eyes

We all know that eating nutrient-rich foods, drinking plenty of water, and exercising can boost our health. So it’s no surprise that these same activities also support eye health. Research has shown that regularly consuming certain vitamins and nutrients can actually prevent or delay sight-threatening eye conditions and diseases such as macular degeneration, cataracts, and glaucoma. 

Here’s a list of the best vitamins, minerals, and nutrients that can help keep your eyes healthy for a lifetime. 

We invite you to consult with our eye doctor, Dr. Bruce Goldstein, to discuss which nutrients are most suited to your specific eye health and needs. 

Vitamins and Nutrients That Support Eye Health

*Always best to speak with your primary care doctor before taking any vitamins or supplements, and to ensure you consume the correct dosage for your body.

Vitamin A

Vitamin A deficiency can cause a host of eye health issues, including dry eyes and night blindness. In fact, vitamin A deficiency is a leading cause of blindness worldwide.

Vitamins A and A1, which are essential for supporting the eye’s photoreceptors (the light-sensing cells) in the retina, can be found in foods like carrots, leafy greens, egg yolks, liver, and fish. 

Omega-3 Fatty Acids

Eating Omega-3 rich foods like fatty fish can support eye health in a few ways. DHA and EPA, 2 different types of Omega-3 fatty acids, have been shown to improve retinal function and visual development.  

Omega-3 supplements can also ease dry eye symptoms. A randomized controlled study found that people who consumed Omega-3 supplements experienced improved tear quality, which resulted in reduced tear evaporation and increased eye comfort.  

Lutein and Zeaxanthin

Lutein and zeaxanthin are antioxidants that accumulate in the lens and retina and help filter out damaging UV rays and blue light. One study showed that individuals who had the highest levels of these nutrients in their diets had a 43% lower chance of developing macular degeneration than those who had consumed the least amount.  

Spinach, egg yolks, sweet corn, and red grapes are some of the foods that contain high levels of lutein and zeaxanthin. 

Vitamin C 

High amounts of vitamin C can be found in the aqueous humor of the eye, the liquid that fills the eye’s anterior chamber and supports corneal integrity. This has prompted scientists to consider this vitamin’s role in protecting eye health. 

Research suggests that regularly taking vitamin C (along with other essential vitamins and minerals) can lower the risk of developing cataracts, and slow the progression of age-related macular degeneration and visual acuity loss.

While vitamin C appears to support eye health in a variety of ways, it’s still unclear whether taking this supplement benefits those who aren’t deficient. Vitamin C can be found in various fruits and vegetables, like bell peppers, tomatoes, citrus fruits, broccoli, and kale. 

Vitamin E

Vitamin E is an antioxidant that helps protect fatty acids from becoming oxidized. Because the retina has a high concentration of fatty acids, sufficient vitamin E intake is crucial for optimal ocular health. 

Vitamin E can be found in almonds, flaxseed oil, and sunflower seeds. 

Zinc

Healthy eyes naturally contain high levels of zinc. A zinc deficiency can cause night blindness, and thus increasing zinc intake can improve night vision. Zinc also helps absorb Vitamin A, an essential antioxidant. 

Make sure to avoid taking high doses of zinc (beyond 100 mg daily) without first consulting your eye doctor. Higher doses of zinc have been associated with side effects such as reduced immune function. You can increase your zinc intake naturally by consuming more oysters, meat, and peanuts. 

Phytochemical Antioxidants

Phytochemical antioxidants are chemicals produced by plants that contain several health benefits. Some studies show that these plant-based chemicals may enhance vision and eye health as well as prevent age-related eye diseases and complications by alleviating ocular oxidative stress. Oxidative stress within the eyes contributes to several eye conditions, including  dry eye syndrome. Consuming more produce with these antioxidants can help balance the anti-oxidant and pro-oxidant system, resulting in healthier eyes. 

Personalized Eye Nutrition 

If you or someone you know is looking for ways to boost or maintain eye health, speak with an optometrist near you about what supplements and vitamins are best for you. For an eye doctor in Wesley Hills, give us a call at 845-362-2020.

 

Your Eyes Are the Windows to Your Health

Your eyes aren’t just the windows to your soul — they can also reveal valuable information about your general health beyond whether you need glasses, including: diabetes, heart disease, and even cancer. It is not unusual for people to come in for an eye exam just to check their eyesight and then have certain health issues or predispositions picked up by the optometrist. 

Eye Exams and Your Health

Eye examinations can help doctors detect general health conditions early enough to intervene. Advanced screenings enable eye doctors to better predict cardiovascular incidents like stroke, and possibly detect signs of mental changes such as Alzheimer’s. Read below to learn how eye exams can unveil a whole lot more than just eye health.

Brain Cancer & Stroke

Because of the similarities between the blood vessels in the eye and brain, an eye doctor can occasionally detect an issue taking place in the brain by examining the blood vessels in the eyes. If swelling or shadows in the eye is observed, it may indicate a serious condition in the brain, like a tumor, or clots that might result in a stroke.

Diabetes

Diabetes can cause damage to the blood vessels in the retina at the back of the eye, resulting in Diabetic Retinopathy (DR) and Diabetic Macular Edema (DME). If an optometrist detects leaky blood vessels in the eye, the patient would be advised to see a doctor to help control their blood sugar. Changes are gradual, and they start before visual symptoms are noticed. The earlier diabetic eye disease is managed, the better the chances are of preserving eyesight. 

Hypertension

High blood pressure, characterized by having too much pressure in the blood vessels, can be detected during an eye exam, sometimes even before it’s diagnosed by your regular doctor. The damaged blood vessels lead to swelling, hemorrhages, and leaking — all of which can be observed in the eyes. According to the CDC, hypertension “the silent killer” affects nearly 1 in 3 adults, and up to a whopping 20% of those don’t even know they have it. So early detection at an eye doctor’s evaluation can be truly life-saving.

High Cholesterol 

Eye exams can also detect a buildup of cholesterol. High cholesterol is among the easiest conditions to spot during a complete eye exam, as the cholesterol deposits manifest on the front of the eye, appearing as a thin, gray rim around the cornea. It can also be detected in the retina by assessing artery and vein patterns.

These deposits may indicate the current or future development of Retinal Blood Vessel Occlusion, a condition where blockages restrict blood flow to the back of the eye, causing temporary or permanent vision loss. 

Heart Conditions

In some cases, heart conditions associated with a buildup of plaque in the carotid artery in the heart can also lead to deposits that clog the ocular arteries in the eye. If an optometrist detects such changes to the vascular structure at the back of the eye, he or she will typically recommend going to a specialist.

Multiple Sclerosis (MS)

Sudden vision loss may be attributed to Multiple Sclerosis (MS). While the optometrist can recognize signs indicating the presence of MS, such as the color and appearance of the optic nerve, such cases will be referred for further testing to confirm the diagnosis.

Thyroid

Thyroid disease can make itself apparent through the eyes in several ways. The thyroid gland controls the hormones that regulate tear production so some thyroid disorders can cause dry eye disease. Additionally, overactive thyroid (hyperthyroidism) can make the extraocular muscles enlarge and stiffen, causing bulging eyes — an indicator of Graves’ disease. 

Inflammation

Systemic conditions that are associated with inflammation in the body can have an inflammatory effect on the eyes. Uveitis, for example, causes eye inflammation, redness, and blurred vision, and tends to occur in people with lupus, rheumatoid arthritis, and other autoimmune diseases. 

Cancer

Breast cancer, leukemia, and other metastatic cancers are occasionally discovered during an eye evaluation. In addition to brain cancer mentioned above, melanoma and basal cell carcinoma (skin cancer) can be detected, and eye doctors can also diagnose lymphoma and other eye tumors. Eye exams save lives.

What the Future Holds 

Alzheimer’s 

Recent studies show that a non-invasive and precise imaging device called Octa (optical coherence tomography angiography) can signal the presence of eye changes associated with Alzheimer’s disease. Because the retina is in many ways an extension of the brain, the altered blood vessels at the back of the eye offer a glimpse into the changes taking place within the brain.

Parkinson’s Disease

Parkinson’s Disease can often be misdiagnosed as its early symptoms are characteristic of other conditions. Research has shown that subtle eye tremors, an early Parkinson’s marker, could be detectable using advanced eye exam technology. One day soon, practitioners may send patients to an eye doctor to test for this and other diseases.

Your Eye Doctor’s Appointment Could Change Your Life

So the next time you visit Dr. Bruce Goldstein at Wesley Eye Care in Wesley Hills, remember that a comprehensive eye exam can do more than determine your eyeglasses or contacts prescription. Dr. Bruce Goldstein can evaluate your eyes for existing or potential health issues, and communicate them to your primary care physician for the best possible care. By knowing that you’re at risk for a certain disease, you can take precautions early on and manage the condition as needed. After all, an ounce of prevention is worth a pound of cure.

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To understand how the human eye works, first imagine a photographic camera—since cameras were developed very much with the human eye in mind.

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Wesley Eye Care has a highly trained staff of Doctors of Optometry for your Monsey eye examination needs, including routine eye examinations, detection and treatment of eye diseases, contact lens evaluations, refraction and eyewear fitting.

arrow-right-2 arrow-right-2-light How Do We See What We See?

Light reflects off of objects and enters the eyeball through a transparent layer of tissue at the front of the eye called the cornea. The cornea accepts widely divergent light rays and bends them through the pupil—the dark opening in the center of the colored portion of the eye.

How human eye works

The pupil appears to expand or contract automatically based on the intensity of the light entering the eye. In truth, this action is controlled by the iris—a ring of muscles within the colored portion of the eye that adjusts the pupil opening based on the intensity of light. (So when a pupil appears to expand or contract, it is actually the iris doing its job.)

The adjusted light passes through the lens of the eye. Located behind the pupil, the lens automatically adjusts the path of the light and brings it into sharp focus onto the receiving area at back of the eye—the retina.

An amazing membrane full of photoreceptors (a.k.a. the “rods and cones”), the retina converts the light rays into electrical impulses. These then travel through the optic nerve at the back of the eye to the brain, where an image is finally perceived.

arrow-right-2 arrow-right-2-light A Delicate System, Subject to Flaws

t’s easy to see that a slight alteration in any aspect of how the human eye works—the shape of the eyeball, the cornea’s health, lens shape and curvature, retina problems—can cause the eye to produce fuzzy or blurred vision. That is why many people need vision correction. Eyeglasses and contact lenses help the light focus images correctly on the retina and allow people to see clearly.

In effect, a lens is put in front of the eye to make up for any deficiencies in the complex vision process.

arrow-right-2 arrow-right-2-light The Main Parts of the Human Eye Include
  • Cornea: transparent tissue covering the front of the eye that lets light travel through
  • Iris: a ring of muscles in the colored part of the eye that controls the size of the pupil
  • Pupil: an opening in the center of the iris that changes size to control how much light is entering the eye.
  • Sclera: the white part of the eye that is composed of fibrous tissue that protects the inner workings of the eye
  • Lens: located directly behind the pupil, it focuses light rays onto the retina
  • Retina: membrane at the back of the eye that changes light into nerve signals
  • Rods and cones: special cells used by the retina to process light
  • Fovea: a tiny spot in the center of the retina that contains only cone cells. It allows us to see things sharply.
  • Optic Nerve: a bundle of nerve fibers that carries messages from the eyes to the brain
  • Macula: a small and highly sensitive part of the retina responsible for central vision, which allows a person to see shapes, colors, and details clearly and sharply.
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