Glaucoma is an eye condition that occurs when fluids create sufficient pressure in the eye, so it damages the optic nerve. The optic nerve is the part that takes the information from the eyes and transmits it to the brain. The damages caused to the optic nerve can lead to reduced vision or even complete and irreversible blindness.
There are a couple of types of glaucoma, originating from various causes such as:
This is a chronic type of glaucoma that can cause a severe vision loss. It can appear without any symptoms or warning. There is no conclusive reason what causes open-angle glaucoma, although some experts speculate that some eyes can’t drain fluids