Glaucoma is a group of eye diseases of the optic nerve involving loss of cells located at in the retina, the back of the eye. If glaucoma is untreated it leads to permanent damage of the optic nerve and visual field loss, which could lead to blindness.
Glaucoma Symptoms
Open angle glaucoma (OAG) or chronic glaucoma is [...]

The eye is one of the most complex parts of the body. There are more than a billion parts all working in synchronization. The eyesight is one of the most important senses, a fact supported by the amount of brain that is dedicated to process the information received through the eye.
How the eye works
The image [...]