May is Healthy Vision Month

When it comes to our health, we may visit our doctors and nurses regularly to make sure our bodies are healthy. But what about our eyes? They’re not always top of mind, but they’re just as important! May is Healthy Vision Month, an observance coordinated by the National Eye Institute to empower Americans to make their eye health a priority and educate them about steps they can take to protect their vision. What do those steps include?

Get a dilated eye exam. When it comes to common vision problems, many people don’t realize their vision could be improved with glasses or contact lenses. In addition, many common eye diseases have no symptoms. A dilated eye exam is the only way to detect these diseases in their early stages.

Live a healthy lifestyle. Almost everything we do affects our eyes. To keep our vision healthy, it is important to:

Eat healthy foods, especially dark leafy greens such as spinach and kale and fish high in omega-3 fatty acids, including salmon, halibut, and tuna.
Maintain a healthy weight. Being overweight or obese can increase your risk of developing diabetes and other systemic conditions, which can lead to vision loss.
Don’t smoke. It’s as bad for your eyes as it is for the rest of your body.
Manage chronic conditions. Many conditions, including diabetes, hypertension, and multiple sclerosis, can greatly impact vision and result in inflammation of the optic nerve, diabetic retinopathy, glaucoma, and even blindness.

Know your family history. Eye health can be hereditary, so it’s important to talk to your family members about their eye health history. Knowing your family history will help you determine whether you are at higher risk for developing an eye disease.

Use protective eye wear. Eye injuries can happen at work, while playing sports, and when doing chores around the house. Prevent those injuries from happening by wearing protective eyewear! Look for safety glasses, goggles, safety shields, or eye guards made of polycarbonate, which is 10 times stronger than other plastics.

Wear sunglasses. The sun’s rays can damage your eyes, so make sure to wear your shades! When purchasing sunglasses, look for ones that block out 99 to 100 percent of both UVA and UVB radiation.

Celebrate Healthy Vision Month by taking these steps today! Then encourage your family and friends to make their vision a priority by helping NEI spread the word. Here are some ideas:

Share information on social media using our prewritten content.

Post NEI’s infocards to your Facebook page and Twitter feed.

Change your Facebook cover photo to Healthy Vision Month cover photos that highlight steps for taking care of your eyes.

Post information to your blog. To get started, NEI has a drop-in article you can use.

Send information through any listservs you’re on or newsletters you have.

Include Healthy Vision Month Web banners and buttons on your website or blog.

We hope you’ll join in the celebration! And don’t forget to protect your eyes today to see well for a lifetime.

Susan DeRemer, CFRE
Vice President of Development
Discovery Eye Foundation

Beyond Eating Green

Spinach and kale aren’t the only things to watch in your diet. Eating low glycemic foods may slow the development and progression of AMD. The glycemic index measures how quickly carbohydrates get glucose (sugar) into the blood stream. People with diabetes will find this familiar. High glycemic foods like potatoes, white rice, processed foods like cakes and crackers and cereal raise the blood glucose level. Low glycemic foods include vegetables and beans.

Several years ago researchers at Tufts University found that mice fed a low glycemic diet developed fewer and less severe age-related lesions in the retina than mice fed the higher GI diet. When lesions like this develop after age 60 in humans, they are the earliest warning sign of age-related macular degeneration. Earlier studies in humans resulted in similar observations.

*Here are some tips from Harvard University for low-glycemic eating.

1. Eat a lot of non-starchy vegetables, beans, and fruits such as apples, pears, peaches, and berries. Even tropical fruits like bananas, mangoes, and papayas tend to have a lower glycemic index than typical desserts.

2. Eat grains in the least-processed state possible: “unbroken,” such as whole-kernel bread, brown rice, and whole barley, millet, and wheat berries; or traditionally processed, such as stone-ground bread, steel-cut oats, and natural granola or muesli breakfast cereals.

3. Limit white potatoes and refined-grain products, such as white breads and white pasta, to small side dishes.

4. Limit concentrated sweets – including high-calorie foods with a low glycemic index, such as ice cream – to occasional treats. Reduce fruit juice to no more than one-half cup a day. Completely eliminate sugar-sweetened drinks.

5. Eat a healthful type of protein, such as beans, fish, or skinless chicken, at most meals.

6. Choose foods with healthful fats, such as olive oil, nuts (almonds, walnuts, pecans), and avocados, but stick to moderate amounts. Limit saturated fats from dairy and other animal products. Completely eliminate partially hydrogenated fats (trans fats), which are in fast food and many packaged foods.

7. Have three meals and one or two snacks each day, and don’t skip breakfast.

8. Eat slowly and stop when full.

*Adapted from Ending the Food Fight, by David Ludwig with Suzanne Rostler (Houghton Mifflin, 2008)

Judith Delgado
Executive Director
Macular Degeneration Partnership

Four Tips For Buying Sunglasses

4/29/14

May will be here this week, and in Southern California we are looking at bright, sun-filled days with temperatures in the upper 80s and low 90s. This means that thousands will be heading to the beaches or their own backyards to enjoy the warm weather.

Now is the perfect time to review one of the biggest contributing factors to vision loss – sun exposure. And it’s not just about sunglasses, but also brimmed hats.

First let’s talk about sunglasses. There are three things to think about when selecting your sunglasses:
1. Lens tint
2. UV protection
3. Glare
4. Frames

Lens Tint
There is a misconception that the darker your sunglass lens, the better protection for your eyes. No true. The color or darkness of your lens is personal preference and often based on the activity you are doing while wearing sunglasses or the sun conditions. At the beach in bright sunlight you are subject to more reflective light and may prefer dark amber, copper or brown lens, if you are on the ski slopes when the skies are overcast you may prefer yellow or orange lens to increase contrast and fight “flat light.” If you are looking to increase contrast on a partially cloudy day, and if you don’t mind distorted color perception, you might prefer amber or rose lenses.

Other considerations include mirrored sun lenses that can block 10-15% more of the sun’s visible rays, or photochromic lenses that darken automatically when you go outside and then quickly become lighter when you come inside.

UV Protection
While darker lenses don’t offer better eye protection, controlling the UV exposure does. Research has found links that extended exposure to UVA and UVB rays can result in eye damage such as cataracts, photokeratitis and macular degeneration. By wearing sunglasses that block these harmful rays your eyes should remain healthier as you age. Also know that some parts of the country receive more UV rays than others – here is a wonderful chart from The Vision Council to let you see how your location rates.

Glare
Another problem when out in the sun, and especially driving, is glare. Making sure your lenses are polarized is a great help. They work by only letting in specific amounts of light at certain angles and reducing the brightness of that light.

Because I am light sensitive I find I use polarized lenses when I am reading outside is helpful. The reflected light from the page of a book can cause me to squint or fatigue my eyes if I read for a long period of time. The only other option is using a paper-ink e-reader which also helps cut down on glare.

Another way to deal with glare is the use of an anti-reflective (AR) coating on your lenses. It reduces eye stain by preventing light from reflecting off lens surfaces. When applied to the back of your lenses it can help with problems when the sun is behind you or to your side.

Frames
Not all light hits your eyes from directly in front. It can come through the top, sides and bottom of your frames. The smaller the frames, the more unfiltered light makes its way to your eyes. This is where a brimmed hat can help keep the sun coming in from the top while also providing protection for your face.

Fitovers - Auroa in Claret — Fitovers – Auroa in Claret

To provide you with the maximum protection, “fit-over” sunglasses, that you can wear over your regular prescription glasses, are a great idea and more economical. Cocoons Eyewear and Fitovers Eyewear are two of several companies that make them. They filter the light from the top, sides and even below to give you the maximum protection and come in a wide variety of lens colors. It is also nice not to have to get new sunglasses when your eyeglass prescription changes.

Whatever frames you choose make sure they fit properly and will not keep sliding down your nose or fall of when being active. You may even want to purchase a band-style foamed neoprene retainer that attaches at both temples, sometimes known as a gator.

Also remember, it is not just the direct sunlight you need to worry about. Water reflects up to 100% of the harmful UV rays, dry sand and concrete up to 25% and even grass reflects up to 3%.

Susan DeRemer, CFRE
Vice President of Development
Discovery Eye Foundation

The Evolving Contact Lens

4/22/14

Contact lenses give a person the ability to see without glasses. If you have keratoconus, they are essential for seeing as regular glasses don’t work with an irregularly shaped cornea. But lately these relatively simple lenses have created a whole new world where they can dispense eye medication, measure blood glucose levels and even help the blind see.

Monitoring Blood Sugar
You have heard about Google Glasses, but Google is looking beyond the smartphones of eye wear to monitoring health. They are currently working on a lens with tiny wireless chips and glucose sensors that are sandwiched between two lenses. They would monitor glucose levels once a second and use tiny LED lights, also inside the lenses, to flash when the levels are too high or low. And how big are these electronics? They are no larger than a speck of glitter, with a wireless antenna that is thinner than a human hair. While they are still in development – Google has run clinical research studies and is in discussions with the FDA – it could make blood sugar monitor far less invasive than pricking your finger several times a day.

Drug Delivery for Glaucoma
Getting glaucoma patients to regularly use their eye drops to regulate the pressure in their eyes has always been a problem. They forget, don’t want to be bothered, or have a hard time getting the drops into their eyes. This could change with two research projects exploring the use of contact lenses to deliver medication over a prolonged period of time.

Researchers at Massachusetts Eye and Ear/Harvard Medical School Department of Ophthalmology, Boston Children’s Hospital, and the Massachusetts Institute of Technology who are working on a lens designed with a clear central area and a drug-polymer film made with the glaucoma drug latanoprost, around the edge to control the drug release. These lenses can be made with no refractive power or the ability to correct the refractive error in nearsighted or farsighted eyes.

Another team from University of California, Los Angeles have combined glaucoma medication timolol maleate with nanodiamonds and embedded them into contact lenses. When the drugs interact with the patient’s tears, the drugs are released into the eye. While the nanodiamonds strengthen the lens, there is no difference in water content so they would be comfortable to wear and allow oxygen levels to reach the eye.

Seeing in the Dark
Researchers out of the University of Michigan have developed an infrared sensor that could eventually be used in the production of night vision contact lenses. Thanks to graphene, a tightly-packed layer of carbon atoms, scientists were able to create a super-thin sensor that can be stacked on a contact lens or integrated with a cell phone.

Stem Cells for Cornea Damage
Researchers in Australia are working on a way to treat corneal damage with stem cell infused contact lenses. Stem cells were taken from the subject’s good eye and then plated them onto contact lenses (if there is a defect in both eyes, stem cells are taken from a different part of the eye). After wearing for about two weeks the subjects reported a significant increase in sight.

Helping the Blind See
And what good are contact lenses if you are blind? At Bar Ilan University in Israel researchers are creating special lenses that translate images into sensations felt on the eye. It works by taking an image with a smartphone or camera, it is then processed and sent to the contact lens. The custom-made lens is fitted with a series of electrodes that use small electric impulses to relay shapes onto the cornea, similar to braille. After some practice, test subjects were able to identify specific objects.

In expanding the uses of contact lenses, these projects seem to be just the beginning, all reported in the first four months of this year. Researchers and developers are working together to find more and better ways help with vision and medical issues, using contact lenses.

Susan DeRemer, CFRE
Vice President of Development
Discovery Eye Foundation

Following the Rainbow

4/15/14

Last week we reviewed the rainbow of fruits and vegetables you can eat to help with eye health. But you don’t need to limit yourself – enjoy a rainbow of nuts, whole grains and beans as well.

A reason some people avoid nuts is the number of calories found in nuts. However, a report published in the American Journal of Clinical Nutrition found that adults who incorporate nuts into their diets don’t have to limit their consumption. A review of 31 studies about eating nuts found that people who added nuts to their diets and who replaced other foods with nuts lost more weight, an average of almost one and half pounds. Nuts have also been shown to be beneficial for stress reduction, heart health, various cancers, cholesterol, brain health and eye health.

Eating more whole grains makes your diet healthier because they are filled with nutrients including protein, fiber, B vitamins, antioxidants, and trace minerals (iron, zinc, copper, and magnesium). A diet rich in whole grains has been shown to reduce the risk of heart disease, type 2 diabetes, obesity, and some forms of cancer.

Beans, lentils and other nutritious legumes are the best sources of lean vegetarian protein. They made up of high-quality carbohydrates that are rich in fiber, zinc, vitamin B6, folate, magnesium, iron, and potassium. These protein-packed, low-fat nutrients can help with osteoporosis; improve heart-health, colon and bowel health; reduce the risks of cancer and age-related macular degeneration; control blood sugars, fight free radicals and even help with weight loss.

RED

Red adzuki bean

Pinto beans

Kidney beans

Pecans

Buckwheat

Amaranth

Quinoa

Barley

ORANGE/YELLOW

Almonds

Cashews

Millet

Chickpeas
Butter beans

GREEN

Lentils

Mung beans

Pistachios

Pumpkin seeds

Lima beans

Edamame

Sunflower seeds

BLUE/PURPLE

Flaxseeds

Walnuts

Chestnuts

Black beans

Quinoa

Black and wild rice

WHITE

Soy beans

Garbanzo beans

Rice

Barley

Sesame seeds

Navy beans

Oats

Quinoa

To learn more about the benefits of specific nuts, whole grains and beans, go to The World’s Healthiest Foods. The site is filled with nutritional information, history and recipes for a wide variety of foods from around the world.

Susan DeRemer, CFRE
Vice President of Development
Discovery Eye Foundation

Eat A Rainbow

4/8/14

When planning what to eat, think of a rainbow. Eating brightly colored fruits and vegetables helps to give your body the nutrients it needs. These same nutrients are the disease-fighting components that give fruits and vegetables their array of colors.

by Sarah DeRemer - rainbow — by Sarah DeRemer

Eating a variety of colors can help –

Strengthen your immune system

Lower risk for certain cancers

Help ward off type 2 diabetes

Maintain heart heath

Improve memory

Reduce the risk for some eye diseases

Red

The pigments that make some foods red are known as anthocyanins and lycopene. These are the compounds that fight free radicals and prevent oxidative damage to cells, important to preserving eye health, keeping our hearts healthy and helping to fight cancers. Heat concentrates lycopene levels so cooked tomatoes and tomatoe sauces have higher concentrations than raw fruit.

Add red to your meals by tossing a handful of raspberries, strawberries, goji berries or pomegranate seeds into your cereal, slicing roasted beets or red bell pepper into a salad, or adding cooked red adzuki or kidney beans to a rice dish.

Here are examples of red fruits and vegetables:

Red apples

Adzuki beans

Beets

Red cabbage

Cherries

Cranberries

Goji berries

Pink grapefruit

Red grapes

Red peppers

Pomegranates

Red potatoes

Radishes

Raspberries

Rhubarb

Strawberries

Tomatoes

Watermelon

For a recipe filled with lycopene, try a zesty Orange and Tomato Salsa, one of three salsa crudas using brightly colored fruits.

Orange & Yellow

Orange fruits and vegetables contain beta-carotene, a powerful antioxidant that promotes eye health, can delay cognitive aging and protect the skin from sun damage. Beta-carotene also converts to vitamin A, which is important for night vision and the health of your immune system. Orange foods also contain vitamin C, another antioxidant that boost the immune system, but also protects against cardiovascular disease. Yellow fruits and vegetables contain lutein, another nutrient important for healthy vision.

Some of the sources you can enjoy include:

Sweet potatoes

Carrots

Pumpkin

Apricots

Cantaloupes

Summer squash

Citrus fruit

Papayas

Peaches and nectarines

Sweet corn

Yellow peppers

Mangoes

Pineapple

Yellow tomatoes

To incorporate more orange/yellow foods into your diet, replace French fries with crisp, baked sweet potato slices, keep dried apricots, pineapple or mangoes handy for a ready-to-eat snack or add sweet potatoes to black beans or chili for a color and texture boost.

To get your day off to a great start, try an Apricot-Orange Breakfast Smoothie.

Green

Green fruits and vegetables are colored by natural plant pigment called “chlorophyll” and are rich in lutein and zeaxanthin, pigments that may help your eyes filter damaging light rays, thus protecting against macular degeneration, the leading cause of vision loss in people over 65. Green fruits and vegetables are also a good source of vitamins C & K, fiber, folate and magnesium which contain anti-cancer properties as well as helping promote strong bones and teeth.

Some examples of the green group include:

Green apples

Artichokes

Asparagus

Avocados

Green beans

Broccoli

Brussels sprouts

Green cabbage

Cucumbers

Green grapes

Celery

Green Pepper

Honeydew melon

Kiwi

Kale

Lettuce

Limes

Green onions

Peas

Green pepper

Spinach

Zucchini

A delicious way to eat your greens is a Summer-time Asparagus, Strawberry and Spinach Salad.

Blue & Purple

Blue and purple fruits and vegetables are rich anthocyanins, lutein, zeaxanthin, resveratrol and vitamin C. These nutrents help protect cells and heal your body. Research suggests they play active roles in promoting eye and heart health, preventing premature aging, reducing inflammation, decreasing cancer cell growth and improving memory.

Foods such as blueberries, figs, eggplants, plums and grapes get their gorgeous hue from the phytochemical anthocyanin (also found in red foods). Anthocyanins act as powerful antioxidants that protect cells from damage and may help reduce the risk of heart disease, stroke and cancer. Studies have even shown that eating more blueberries is linked with improved memory function and healthy aging.

Be sure to help yourself to plenty of blue/purple foods, such as

Blackberries

Blueberries

Eggplant

Figs

Juneberries

Plums

Prunes

Purple grapes

Raisins

Purple cabbage

Bilberries

Acai berries

Here is another easy yet eye-healthy dish from our Eye Cook webpage, Eggplant and Tomato Pasta .

White

White fruits and vegetables are colored by pigments called anthoxanthins, which may help lower cholesterol and blood pressure. Onions also have the flavonoid quercetin, known for its anti-inflammatory properties and cardiovascular health benefits. As we know, being heart-healthy is also being eye-healthy.

Some members of the white group, such as bananas and potatoes, are also a good source of potassium, while the hard-shelled coconut is considered a “superfood” because its natural water is loaded with vitamins, minerals, and electrolytes, while the raw coconut meat (flesh), which is found around the inside of a coconut shell contains high levels of lauric acid, for helping reduce cholesterol and promoting brain health.
Some examples of the white group include:

Bananas

Cauliflower

Coconut

Garlic

Ginger

Jicama

Mushrooms

Onions

Parsnips

Pears

Potatoes

Radishes

Shallots

Turnips

This recipe for Dark Chocolate Fondue, not only has cream of coconut, but is wonderful when dipping bananas!

Susan DeRemer, CFRE
Vice President of Development
Discovery Eye Foundation

End of the Day Syndrome

4/2/14

“Dr. S., my eyes are red and burning at the end of my work day.”

“Patient, what sort of work do you do? Tell me something about your work conditions.”

“I am a computer graphics artist. I sit and stare at my twenty-seven inch HD screen for hours on end gently adjusting the composition of each pixel. My studio is air-conditioned but not humidified, so after some hours of work, I feel dry as a bone.”

“One more question…can you cry tears? Say, when you peel and slice an onion?”

The need to blink

Blinking is a complex function of the eyelids that when completed results in a clean, refreshed, re-wetted corneal surface. The tears that are washed across the outside of the eye with each blink bring oxygen and other nutrients to the outer cell layer aiding in the rebuilding and revitalizing of the surface tissue.

Blinking is characterized by a full sweep of the upper lid over the eye to meet the lower lid. The completion of this motion is performed gently without squeezing. And, to be effective full eye closure needs to be repeated fairly often. Blink rates vary according to investigators but most sources report an average of between six and ten full blinks per minute under normal viewing circumstances.

The anti-blink problem of our generation

In olden times – say the years between 1750-1950 – the most aggravating problem to the ocular surface was a good book or intense study. The reader would concern himself with the text at hand and slowly his eyes would dry until a “rest break” was necessary.

Environmental or vocational changes to our lifestyle over the generations have promoted reduced blink rates. Most recently in this negatively developmental progression is the effect of the television screen, the CRT, the LED screen, the handheld and pocket computer on the blink rate. It appears that as attention level increases, blinking suffers. First the eyes close less, then incompletely, and finally rarely only when surface dryness drives the individual to desperate measures. He must blink or (so he feels) his eyes will pop out of their sockets.

Adding insult to injury increasingly over the decades is air conditioning – both heating and cooling – when not humidified. Staring at console screens in dry environs speeds the desiccation of the cornea and results in discomfort.

The surface of the eye is a biological system. Living systems require some degree of moisture. If the cells of the eye – or any biological surface — are permitted to dry out, they will die. Dead corneal cells fall off the cornea and float in the tears on the surface of the eye until washed away with a blink. Until the surface is cleaned the dead cells are considered by the eye to be foreign bodies with the consequent irritation and induced reflex to blink.

When cells die and fall off, the underlying nerve endings send pain signals to the nervous system. The sensation can be felt as pain, burning, or mere irritation or itching depending upon the severity of cell loss.

How to handle environmentally induced dry eye

After the ocular surface is dry most treatments will seem to make matters worse: to cause burning and stinging, perhaps, even more than the dry eye itself. Any tear substitute, any amount of blinking will be irritating at first. But, that is really all that can be done at this stage: wetting and blinking.

Prevention

As in many conditions, the best treatment, in fact a cure, for recurrent environmentally induced dry eye is prevention. For the eye that has a naturally flowing tear supply, the act of blinking is the surest prevention to stinging and burning after a day’s work at the computer. Additionally, many sources recommend using the ‘rule of 20’: after each twenty minutes of work, look up from the text or away from the screen; blink and refocus on the page twenty times. This repetitive exercise simultaneously re-wets the eye and relaxes the focusing mechanism of the eye.

The result is relaxed and comfortable eyes that can continue to provide important and high quality information for longer hours of work.

Bezalel-Schendowich Bezalel Schendowich, OD
Chairperson and Education Coordinator, JOS
Fellow, IACLE
Member, Medical Advisory Board NKCF
Sha’are Zedek Medical Center, Jerusalem, ISRAEL

Help for Computer Users

Working long hours in front of the computer requires a fairly unchanging body, head and eye position which can cause discomfort. Correct working position, periodic stretch breaks, frequent eye blinking, artificial tears for lubrication are all very important. However, it’s not always easy to remember this when you are engrossed in work. Here are a few fun, free and easy-to-install “break reminders” to help:

WorkSafe Sam - break reminder — WorkSafe Sam

WorkSafe Sam is a desktop tool that provides stretching tips to help reduce eye and muscle strain for office workers (clicking on this link will open a file on your computer because this is a zip file).

Workrave is break reminder program that alerts you to take “micro-pauses” and stretch breaks.

Take Your Break is another break reminder designed to prevent or minimize repetitive strain injury, computer eye strain and other computer related health problems. It has a friendly interface and a tray icon status indicator. It runs quietly in the background, monitoring your activity and reminding you to take regular breaks.

And remember to blink. Blinking cleans the ocular surface of debris and flushes fresh tears over the ocular surface. Each blink brings nutrients to the eye surface structures keeping them healthy. The flow of tears is responsible for wetting the lower third of the cornea. This is very important in KC, since this area is generally below the bulge of the cone and in many cases irritated by wobbly RGP lenses. Maybe your job requires hours of work at a computer. Maybe you like to spend your free time surfing the internet. Whatever the reason, your body is probably feeling the effects of spending too much time staring at a computer monitor, which could result in Computer Vision Syndrome (CVS). The most common symptoms are: eye strain, dry or irritated eyes,redness in eyes,difficulty in refocusing eye,neck pain,double vision,blurred vision, fatigue, and headaches.

Please join us on Thursday when Dr. Bezalel Schendowich will be providing a detailed insight into the importance of blinking, going beyond computer usage.

Cathy Warren, RN
Executive Director
National Keratoconus Foundation

Better Lighting for Better Vision

Lighting is the most essential element for vision. Without light, we cannot see. Conversely, too much light causes glare and eye discomfort. People with macular degeneration, diabetic retinopathy, glaucoma, retinitis pigmentosa, and other vision conditions require specific levels and colors of light to maximize their vision. For each person, the lighting requirements are specific and one should consult with a low vision optometrist or ophthalmologist and find out the best color temperature of light, the best brightness of light, and the best type of light bulb to maximize vision.

There are many different forms of lighting for indoor use. The incandescent light bulb has been the most popular light bulb for decades but it will soon be discontinued because there are new light bulbs that use less energy, produce less heat, and produce a brighter light of different colors.

OTT task lamp - lighting — OTT task lamp

Compact Fluorescent Lights

The most frequent replacement for the incandescent light bulb is the compact fluorescent light bulb, sometimes abbreviated as CFL. The CFL bulb consists of a tube slighter larger than the diameter of a pencil that is swirled to produce a bulb approximately the same size as a conventional light bulb. The base of the bulb has threads to allow the bulb to be screwed into most all light fixtures and this will enable people to keep their older lamps.

LED Bulbs

Another common replacement for the incandescent light bulb is the LED bulb, also called the light emitting diode. LED bulbs are very efficient and use less energy that the CFL bulbs. There are many varieties of LED bulbs with various color temperatures. Although the price of an LED bulb is higher than the CFL, the overall cost savings makes them an excellent choice if your eyes respond best to the LED bulb.

How to shop for replacement bulbs
One of the easiest ways to purchase replacement light bulbs for your lamps at home is to go to a light bulb store or to a home improvement store. Take the information provided by your low vision eye doctor and ask a clerk to help you to find the bulb that you need. The following information is the features to search for on the package:

Lumens: Lumens inform you about how much light the bulb will produce. The higher the lumens, the brighter the light.

Temperature: The package of the bulb will describe the Kelvin temperature of the bulb. 2800 degrees will produce a white light with a reddish tint. 3500 degrees will be a whiter light while the 5000 degree bulb will be white with a tint of blue. Ask your doctor about the best temperature color because some bulbs with a temperature over 5000 degrees contain blue light which can be hazardous to the retina of some people’s eyes.

Watts: The watts only tell you how much energy the bulb uses. The lower the wattage, the less energy it consumes.

Base: A medium base is the standard base of the typical incandescent light.

Task Lighting

Task lights are designed to provide the recommended lighting for the specific activity that you are performing. A desk lamp is the most popular task light for reading, writing, paying bills, arts and crafts, and eating. The lamps are small and easy to move from one location to another. The table lamp has a cover that will direct the light from the light bulb directly on the items you want to see. This is very important because light will not shine into the eyes of the user and cause glare. Desk lamps are also positioned close to the table and this increases the amount of light that illuminates the item. The closer the light is to the reading material, the brighter the illumination. Too many times, people with low vision attempt to improve their lighting by installing a brighter bulb in the ceiling. However, the distance between the bulb and the reading materials is too large and one will not be able to see maximally. Some of the most popular desk lamps for people with low vision are the Ott desk lamp and Veralux desk lamps. These lamps are very easy to turn on and off and they provide a wide area of illumination for reading and desk-work.

Some people require task lighting at different locations in the home, such as above the stove, kitchen counter, or in the living room. The most effective solutions for this type of task lighting are track lights. A track light consists of a metal strip that is mounted to the ceiling. Light fixtures can then be connected to the metal strip. Low voltage halogen light fixtures with a MR-16 bulb provide users with the largest variety of lighting needs. The MR-16 bulbs do not use much energy, they are available in different color temperatures, and they are very bright. Many people will install a track light above their lounge chair to read in the living room. Similarly, they can be installed over the stove or kitchen counter. The bulbs come in a spot light design and a flood design to spread the width of the light to a level that works best for the person. Track lights are very elegant and work very well in dining rooms and in conference rooms.

Bill Takeshita, OD, FAAO, FCOVD
Chief of Optometry, Center for the Partially Sighted
Consulting director of low vision education, Braille Institute

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Discovery Eye Foundation

Eye Health

May is Healthy Vision Month

The Evolving Contact Lens

End of the Day Syndrome

The need to blink

The anti-blink problem of our generation

How to handle environmentally induced dry eye

Prevention

Help for Computer Users

Better Lighting for Better Vision

Compact Fluorescent Lights

LED Bulbs

Task Lighting

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Red

Orange & Yellow

Green

Blue & Purple

White

The need to blink

The anti-blink problem of our generation

How to handle environmentally induced dry eye

Prevention

Compact Fluorescent Lights

LED Bulbs

Task Lighting

Help DEF Unlock
$100,000
Matching Gift