Cataract...?

Question

In ophthalmology, a cataract is known as the opacity of the eye lens:

1. Who are the people who ever did the first cataract operation?
2. How was it done?
3. What is the natural phenomena?

PS: people who are biased, aggressive and use foul language are jackasses. So choose what you want to be!

Answer 1

1. Medical practitioners in Egypt and ancient Greece before the time of Christ.
2. Using a needle to push the lens aside, so that the light could pass to the retina. This was called "couching".
3. The clouding of the lens is due to the precipitation of the lens proteins. This may be due to heating (IR or microwave), UV damage, infection, physical trauma, and diabetes.

Answer 2

arrest