According to the World Health Organization (WHO), glaucoma is the second leading cause of blindness worldwide after cataract. It is an insidious eye disorder, which leads to progressive damage of the optic nerve in a characteristic pattern leading to loss of vision. Sadly, many people aren’t even aware that they are suffering from such eye disorder.
The retina refers to the eye's inner lining, a part of the eye that contains light-sensitive tissues. Its major role is to help in vision generation by sending light signals to the brain. In some patients, the retinal tissue start thinning and breaking down overtime at certain locations.