Cataract
When there is a clouding of the lens of the eye, it is cataract. This disease brings about partial or complete opacity in the eye and disrupts the passage of light. The first sign of the onset of this disease is the occurrence of myopia. There will be reduced visibility when it comes to certain colors. Also the progress of the disease is very slow and if no proper treatment is administered at the right time, there can be vision loss.
There are some reasons which lead to the development of cataract. Prolonged exposure to ultra-violet rays, after effects of chronic diseases like diabetes and hypertension are the major causes for the occurrence of cataract.
Cataract is characterized by numerous symptoms. There is a profound loss of sight or blurring of vision, difficulty in acclimatizing oneself to bright light and double vision. There is also an increase in the level of nearsightedness.
When there is loss of vision of quite a large magnitude, there arises a lot of difficulty in the performance of normal activities like reading, writing and driving. Surgery becomes mandatory at such a stage. Extra capsular surgery and photo emulsification are two kinds of surgery which help in the alleviation of cataract. Prevention of cataract can be made possible by inclusion of sufficient anti-oxidants in the diet. Vitamin rich diet is always s beneficial for cataract ailments. Sporting of ultra-violet protection sunglasses can also prevent the onset of cataract.