What is the reason for formation of Catract in human eyes ?Is it because of env!


Question: How catract forming in human eyes ? Is it because of uv radiation from Sun or naturally ?What is the age group of people it is effecting? How to prevent it
Answers:
http://www.nlm.nih.gov/medlineplus/ency/article/001001.htm

Other Answers:
Hi! :) Actually, cataracts are classified into 4. Senile, traumatic, congenital and secondary cataracts. Senile cataracts obviously are cataracts that are brought about by aging. Traumatic cataracts could be due to trauma affecting the eye such as blunt objects or poison that come in contact with the eyes. Congenital cataract would be those that occur at childbirth due to maternal illnesses or deficincies in vitamins of the pregnant mother. lastly, hmm a Secondary cataract would be a cataract that results from an eye or other systemic infections.
Hope I was of help :) Ciao and Godless:)
sun mostly causes cataracts, wear sunglasses, for real, it can cause macular degeneration also... my grandmother had cataracts removed on both eyes,and wore glasses before, and now she`s good to go without glasses! shes 91 now!

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