What is Glaucoma? Glaucoma is a major disease of the optic nerve which caused when the pressure on the eye is increased. The optic nerve is the organ which receives light from the retina and transmits impulses to the brain that we recognize as vision. Glaucoma is a disease which silently damages the outer vision first and if it is not treated on time then it can lead to loss of central vision or complete blindness. The symptoms of Glaucoma cannot be noticed in early stages and by the time when y...