knowledge for protecting eyes (sunglasses Part 1)

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Sunglasses have a dark history, but a brilliant future. The history of sunglasses can be traced back to Roman Emperor Nero who watched the gladiator competitions through polished light emerald green gems held up to his eyes. The invention of sunglasses was somewhere between 1268 and 1289. A visual historical recording of early sunglasses is a painting done by Tommaso da Modena in 1352. The person in the painting was wearing sunglasses. This was the first painting of a subject in sunglasses and many more were to follow as it became a fashionable symbol of distinction or honor. Around the twelfth century and before ... Read Full Story

E very organization uses computers. Due to long hours on the computer, 50-90 percent of computer users are prone to computer vision syndrome (CVS). It usually develops after more than two hours of work on the computer and disappears on discontinuing work for a few hours. Symptoms Eyestrain, headache, blurred distance or near vision, dry or red eyes, neck and backache, double vision, and light sensitivity. Preventing Computer Vision Syndrome: Have your eye muscles tested once a year. Use indirect lighting and eliminate exterior light and reflections by closing drapes or blinds. Use of TFT monitors reduces eyestrain. Maintain a distance of 20-30 inches ... Read Full Story

Computer vision syndrome is the number-one workplace complaint. There's no evidence that computer vision syndrome causes long-term damage to the eyes, but it can cause eyestrain and discomfort. Computer vision syndrome symptoms might include blurred vision, eyestrain, headaches, fatigue, dry eyes, and difficulty focusing, red eyes, These symptoms (Computer Vision Syndrome - CVS) however are caused not by the computer screen itself but rather by the conditions surrounding the computer screen, such as poor lighting or improper placement of computer equipment and computer furniture. Using a computer does not cause permanent damage to your eyes. However working on a computer is a demanding visual ... Read Full Story

The eye is dependant on the flow of tears to provide regular moisture and lubrication to preserve vision and comfort. Dry eye is a condition when tears do not properly lubricate the eye, then a person may experience some symptoms such as pain, a gritty sensation, and light sensitivity, sand in the eye, itching, redness or blurring of vision. From time to time, a person with a dry eye will have excess tears running down the cheeks, which may seem puzzling. This happens when the eye is not getting adequate lubrication. Normal aging procedure, especially during the menopause can also likely to cause dry ... Read Full Story