Cataracts: Cataracts are clumps of protein that collect on the lens of an eye and interfere with vision. Normally, light passes through the lens (the clear tissue behind the pupil) and focuses on the retina. The retina is the light-sensitive layer of the eye that sends visual signals to the brain. A cataract occurs when the normally clear lens becomes cloudy. Most cataracts develop slowly over time and are a natural result of aging.
A substance found in dark green leafy vegetables and egg yolks may improve vision in people with retinitis pigmentosa (RP) and other degenerative eye conditions, according to a study published by a Johns Hopkins researcher, whose subjects were recruited from the Internet and tested via e-mail. Twelve of the 16 study participants with retinal degenerative conditions reported that taking daily supplements of the substance, called lutein,
A fatty acid found in Omega 3 (fish oil) (docosahexaenoic acid, or DHA), may slow the rate of vision loss in people with an eye disease known as retinitis pigmentosa (RP), reports the American Journal of Ophthalmology (2004;137:704-18). Healthnotes Newswire (May 13, 2004)RP is a group of diseases that affect the back of the inner part of the eye, called the retina.