Glaucoma is defined as a group of eye conditions that can damage your optic nerves, the information pathways between the eyes and brain.
Glaucoma is almost always caused by too much pressure inside one or both eyes. Once this pressure starts to affect the optic nerve, it can lead to irreversible levels of blindness.
It’s no surprise that most people don’t see well in the dark. However, some people have considerable difficulty seeing at night or in poor light. This is called night blindness (or nyctalopia). Night blindness doesn’t mean you are completely unable to see at night, but that your vision is poorer then. It is not a…