Blindness is completely or severely reduced vision. Contrary to popular belief, most people who are blind have some vision—only about 15% of blindness results in total vision loss. Blindness can occur ...

Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...

Retinitis is an eye condition where the tissue at the back of the eyeball becomes inflamed. It can lead to reduced vision and vision loss. The tissue at the back of the eye is known as the retina. It ...

Permanent vision loss in giant cell arteritis is a complication that is often avoidable with prompt diagnosis and treatment.