Your cornea is the clear layer on the front of your eyeball. It protects your eyeball from dust and germs and helps filter out harmful ultraviolet, UV, rays. The cornea also helps to focus light entering your eye. Although your cornea is composed of strong proteins, it can be injured. A slight cut or scratch, abrasion, is often minor. But a bad abrasion or a puncture to the cornea can be very serious and can affect your vision. These are medical emergencies.
Online Medical Reviewer: Chomsky, A, MD
Online Medical Reviewer: Smart, Kathy, MS, RN, CRRN, APN/CNS
If you have pain around the eyes, headaches, and blurred vision after using a computer for several hours, you may have computer vision syndrome. You can ease symptoms with special computer glasses. Watch this video for additional details about this condition and tips on computer use.
A cataract is a clouding of the natural lens within the eye that often occurs as a person ages. Although many cataracts develop without a known cause, long-term steroid use and diabetes are risk factors. Watch this video to find out what you can expect if you develop a cataract.
When you have low vision, you can't see well enough to get around or do daily activities. Regular glasses or contact lenses may not help. Your central or side vision, or both, may be reduced.
