Category: Eye Resources

Digital photo retouching may be almost as popular as selfies are, but that doesn’t mean that it’s always easy to remove distracting red-eye effects from photos. Why does that happen anyway? The explanation is simple, and so is avoiding the problem.

What is Red Eye?
Red eye is the term used to describe the bright red or orange-ish spots that can be see on people’s eyes in photos. Red eye is caused by light reflecting off the retina at the back of your eyes. Generally, it happens in low light conditions when a flash is used. The bright light flashes so quickly that eyes don’t have time to respond and restrict the pupil so that less light enters the eye. This light travels through the front of the eye, but is reflected at the back of the eye because the retina has a strong blood supply. There is a layer of connective tissue called the choroid that nourishes this part of your eye, and also gives it a red color. This is why “red eye” happens.

How to Prevent Red Eye in Photos
The easiest way to prevent red eye in photos is to not use a flash. If there is enough light in the area so that your pictures turn out clear without a flash, turn it off. You may have better luck if you steady the camera as a shot without a flash usually takes a little longer to gather light, and may turn out blurry if you are not steady.

Of course, if you cannot turn off the flash because the area is too dark, tell people to look just slightly away from the camera. As long as the angle is pointed somewhat away from the camera lens, there should be no flash.

If possible, make your room brighter to get clearer photos. This can help pupils reduce size somewhat and lessen the likelihood that you’ll see a red eye reflection in the photo.

Many cameras also have built-in anti-red eye functions that you may be able to switch on for specific lighting situations that otherwise would cause trouble.

How to Fix Red Eye
Fixing red-eye problems is usually pretty easy. If you’re using a digital camera, some of them can correct the problem digitally with a red eye function in the menu, if not avoid it altogether. Pictures taken on smartphones can be corrected with any number of photo editing apps. If you’ve had photos printed and red eye is present, check out some of the photo kiosks available at many stores that develop and print photos. You can usually scan the photo, remove the problem, and print it quickly and easily.

If eye care professionals cringe when they see you clean your glasses, and your lenses don’t last long before they are scratched, then it’s probably time to update your eyeglass cleaning habits!

To make sure your lenses stay clear and crisp as long as possible, follow these lens cleaning instructions.

1. First, wash your hands and dry them thoroughly. Don’t use a soap that contains lotion. Regular hand soap or dish soap are preferred. Dry your hands with a lint-free towel.
2. Rinse your glasses under the water. Use lukewarm tap water with a gentle stream. Avoid using water that is too hot.
3. Put one drop of dish soap on each lens, or drop some on your fingers and apply it to the lens this way. It doesn’t take much, but remember not to use a soap with lotion.
4. Gently rub the front and back of the lens, as well as rubbing lightly along the frame. Be sure to wash along the frame components like nosepads and hinges. Dust and oil can accumulate around the lens, so clean these areas thoroughly.
5. Rinse the glasses with lukewarm water inside and out.
6. Carefully shake or tap the glasses to remove excess water.
7. Use a clean, lint-free towel to dry your lenses and frames. A cotton towel is preferred, but most dish towels are fine as long as they have been washed without substances that can smear your lenses, like fabric softener or dryer sheets. Make sure it is a fresh, clean towel!
8. Check to see that your eyewear is free from smears and smudges. Keep a microfiber cloth on hand to clean any minor residue you may encounter.

Even when using eyeglass cleaning products, it’s important to inspect your lenses and follow instructions. If you like to clean your glasses without a faucet, there are several cleaning sprays available in drugstores or at our practice. Before using a cleaning wipe, make sure to blow any debris off of your lenses to prevent scratching.

The best way to avoid not only scratching your glasses, but also having to clean them frequently is by getting an anti-reflective (AR) treatment done on your lenses. The best AR treatments prevent scratching, reduce glares, and even resist dust, dirt, and oil.

Talk to us if you have any questions about proper care for your glasses!

Optometry Giving Sight is “the only global fundraising initiative specifically targeting the elimination of blindness and impaired vision due to ‘uncorrected refractive error.’” Their goal is to provide basic eyecare and eyewear to help millions of people around the world who live with vision problems and blindness that could be cured with relatively simple procedures or appropriate eyewear.

Many people in the developed world don’t realize that people around the globe are unable to receive basic health care. We don’t think about it, but how many people do you know who would barely be able to function if they did not have eyeglasses to correct a strong refractive error? Optometry Giving Sight aims to solve this problem by providing eye exams and eyewear, which can sometimes be provided for as little as $5.

Here are some of the facts that Optometry Giving Sight states about their mission:

• Uncorrected vision is the leading cause of preventable blindness in the world, but it is treatable!
• 670 million people are blind or vision impaired because they don’t have access to basic eyecare or eyewear.
• According to the World Health Organization (WHO), correcting vision with eyewear and working toward blindness prevention are some of the most cost-effective of all health interventions.
• In addition to being cost-effective, providing better sight can alleviate poverty. Blindness makes it nearly impossible for people in the developing world to work, creates great difficulty in finding or providing shelter for themselves or their families, and can be isolating and devastating to education and development (especially for those who are blind as children).
• Optometry Giving Sight has programs where it can cost as little as $5 to provide an eye examination and a pair of glasses to individuals in need. Without supplies and infrastructure to deliver these things, many people around the world will be left blind.
• Optometry Giving Sight is a partner in Our Children’s Vision. “Our Children’s Vision is an initiative working to ensure that effective, inclusive, sustainable eye health initiatives are available to children around the world, regardless of their economic status or geographical location.”

Read more about this program, their success stories, and how to help at Optometry Giving Sight! Here is more information from the World Health Organization (WHO):

• 285 million people are estimated to be visually impaired worldwide: 39 million are blind and 246 have low vision.
• About 90% of the world’s visually impaired live in low-income settings.
• 82% of people living with blindness are aged 50 and above.
• Globally, uncorrected refractive errors are the main cause of moderate and severe visual impairment;
• 80% of all visual impairment can be prevented or cured.

It’s very important for eye care professionals to know about these programs and to help spread the word. There is a lot of good that can be done for relatively little money, and many of us are able to make a difference if we work together.

Probably everyone has had that feeling: ahh, my eyelid is twitching. You never know how to make it stop, how long it will keep going, or why it’s happening. The truth is that eyelid and eye twitching and spasms are pretty common, and no cause for alarm, but still somewhat of a mystery!

Usually it’s the bottom lid of your eye that twitches when you get that weird feeling. Most people report that a random eye twitch will come and go, but some cases have been reported as lasting weeks or even months! The proper term for this condition is myokymia.

What triggers eye twitches?
• Stress
• Being tired
• Strained eyes
• Caffeine
• Alcohol
• Dry eyes
• Nutritional deficiencies
• Allergies

Generally the condition is not serious, and is not an indication of any greater issues. The problem is that it’s not easy to treat when you don’t know the cause. The afflicted person usually needs to investigate their habits and get to the root cause so that they can avoid that trigger.

If you find that your trigger is strained eyes, make sure to see an eye care professional as soon as possible so that you can update your prescription. If your prescription is up to date or you don’t need one, it could be strain from looking at a computer screen for extended periods. In this case, you can still benefit from seeing an eye care professional and discussing special computer glasses to help you relieve the stress on your eyes.

Of course, if you’re stressed or tired in general, an eye care professional probably can’t do much for you. Make sure that you’re getting enough restful sleep, take an afternoon nap if you find that you hit the afternoon slump hard, and go to bed early to get more sleep. Talk to your physician if you’re getting enough sleep on a good bed and still feeling fatigued.

Drinking too much caffeine every day? It might be another facet of your stressed-out life that can exacerbate your eyelid-twitching problem. It’s tempting to partake in another caffeinated beverage mid-afternoon when you’re busy and can’t nap to perk back up. Building up more and more caffeine, however, can be a real problem and can lead to eye spasms that will hurt your productivity and be a big annoyance.

How can allergies make your eyelids twitch? Well, some experts think that the histamine that is released into your eye tissues when you rub your eyes can actually cause the lid to twitch. Since allergies can make your eyes itch, rubbing them might be causing your eyelids to twitch as well.

Cramping and muscle spasms in all parts of your body can be caused by electrolyte imbalances. It’s one of the reasons that athletes opt for sports drinks over water. Sweat carries electrolytes out of your body, so they need to be replaced to make sure your brain and muscles function properly. If you have been sweating heavily or have a nutritional or other health issue, you may be low on electrolytes. See your physician if you think you may have a condition causing you to have low electrolytes.

The takeaway from this is that there’s no cause for concern, but that doesn’t mean it’s not annoying! The occasional eye twitch is nothing to investigate, but persistent twitches will certainly be irritating enough to warrant a look at your habits and possibly making some healthy changes.

It’s the end of the week and you’ve only got a few hours left before the weekend. As you try to finish the last of your tasks, you find yourself unable to focus—not just mentally, but physically. You have trouble seeing the screen in front of you. Maybe your vision is blurry or your eyes start to burn. These are symptoms of computer vision syndrome.

Computer vision syndrome is simply the name given to a group of symptoms and problems associated with overuse of computers and strained eyes from excessive computer use. It’s becoming a more common problem as more people work in offices behind computers, and rely on tablets or smartphones instead of paper. These devices have helped make us more productive with faster communication and easier record-keeping, but the reliance on electronic screens in front of our faces can also be a problem for our eyes.

There are many things you can do to prevent or relieve the symptoms of computer vision syndrome. If you wear glasses, make sure your prescription is up to date. If you do not wear glasses (or if you wear contact lenses that you’re sure are an appropriate prescription for you) yet still experience discomfort while on a computer, computer glasses may be what you’re looking for.

Computer glasses are different than traditional eyeglasses or reading glasses. Due to such a short distance between your eyes and the computer screen, distance eyeglasses and reading eyeglasses may not be as effective for your eyes. They’re not necessarily meant for focusing for longer periods on the intermediate zone of vision. Made specially for viewing a computer screen, computer glasses help you focus on this very zone where your monitor sits, making daily use much more comfortable.

Without a proper prescription or an aid like computer glasses, those experiencing blurred vision may end up leaning forward in order to see. This can negatively affect posture and cause even more strain on your body. In addition to eye health, it’s very important to have a healthy workspace and comfortable posture.

Because computer glasses have a modified lens, they give you the most comfortable view of your computer screen. For maximum viewing quality, the lenses should include anti-reflective coating. Tinted computer lenses are also recommended in order to block out blue light that is emitted from computer screens.

With a decrease in eyestrain, and no more blurred vision or headaches, it’s obvious how much computer glasses can help make you feel better and more productive. Ask your eye care professional if you’re interested in learning more about computer glasses and how they can help prevent computer vision syndrome.