Saturday 17 August 2013

How to Take Care For Your Eyes

Sitting straight on a chair the following exercises have to be done as slowly as possible. The six exercises suggested here have a bearing on eye-ball movement to be monitored by the movement of the thumb. The eye-balls will follow the moving thumb as follows.

It's important to take care of your eyes. Poor vision makes it harder to read, drive, and cook. The good news: Many eye problems and diseases can be treated if caught early. To make sure you keep seeing clearly, get a comprehensive dilated eye exam. An eye care professional will examine your eyes for signs of vision problems or eye diseases. It's the best way to find out if you need glasses or contacts, or are in the early stages of a serious but treatable eye disease.

Eyes are very important to us, so we have to be careful to look after them. They show us our world and they show others how we are feeling. When we talk to other people, we notice what their eyes are saying as well as what they are saying with their mouths.

In the dark
Pupils enlarge at night, so any slight blur on the retina becomes exaggerated. Get a thorough eye exam to make sure you're seeing clearly. dark circles your eyes When driving, minimize glare by looking to the bottom right of the road, use the night setting on your rearview mirror, and keep your car in tip-top nighttime shape (clean headlights, taillights, signal lights, and windows outside and in). Also, move your eyes from the road to the dashboard and back again to avoid "highway hypnosis" and maintain a keen sense of depth perception.

Working up a sweat
Some 325,000 sports-related eye injuries occur every year many resulting in permanent vision loss. More than 90 percent of those accidents could have been prevented with proper eyewear. Choose protective lenses designed for your specific sport. Look for polycarbonate lenses or a new material called Trivex both are thin and won't shatter. Check the product's certification seal: It should meet the requirements of the American Society for Testing Materials, which vary for each sport. For outdoor sports, polarized lenses help you see more clearly.

In flight
Airplane cabin air is very dry, so keeping your eyes moist is important. Direct air vents away from you, and use artificial tears once every hour, suggests Dr. Royal. But avoid drops that reduce red eye, because they constrict blood vessels. If possible, wear glasses during the flight. If you choose to wear contacts, look for a new class of lenses made with silicone hydrogel, a permeable plastic that allows more oxygen to reach the eyes. Resnick often recommends Acuvue Oasys because they have added wetting agents to help keep the eyes moist.

In the sun
Did you know that UV rays can hurt your eyes as much as they hurt your skin? Overexposure can increase your risk of cataracts, macular degeneration, and pterygia, little bumps on the whites of the eyes. "Every 15 minutes outdoors even on cloudy days adds to the cumulative effect of radiation damage," says Resnick. Make sure both sunglasses and contact lenses are UV-protective. (Even with contacts, though, you'll still need sunglasses to protect the whites of your eyes.)

small screen
All that time spent using computers and PDAs can lead to eyestrain, dry eyes, and blurred vision. To combat these problems, check your work station: Ideally, your monitor should be 5 to 9 inches below eye level. This brings your lids downward, maintaining the healthiest blink rate, says Susan Resnick, an optometrist in New York City. If you can't move the monitor, measure the distance between it and your eyes

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