Glaucoma is a group of diseases characterized by chronic, progressive optic neuropathy with typical morphologic changes within the optic nerve and fiber layer of retinal nerve . It is the second most common cause of vision loss, and the number of patients worldwide are estimated at 67 million, of which nearly 7 million lost their eyesight.
There are various causes of glaucoma, its various symptoms and the age at which it occurs.
stopkaPrint en
