Cataract is a word that strikes fear in the minds of most people. It’s the most common reason for vision loss among humans, and is especially prevalent among people above the age of 40 years. It’s also the most common reason for blindness across the world. According to the Prevent Blindness America association, the number of cases of cataract across the world are higher than glaucoma, macular degeneration and diabetic retinopathy put together.
A cataract is when the lens of the eye clouds over. There are three main types of cataract:
- A cataract occurring at the back of the lens is known as a subcapsular cataract. Diabetics or those taking high doses of steroid medications are more vulnerable to this form.
- Generally associated with ageing, nuclear cataracts form deep in th...