Mayo Clinic Care Network Content
Definitions

Blindness


Description

Complete or partial loss of vision.

Overview

Blindness is the complete or partial loss of vision. Many things can cause blindness, including accidents, diabetes and certain eye diseases.

Symptoms

Blindness can happen suddenly or over a period of time. Often there's no pain.

Treatments

Suddenly occurring blindness needs emergency medical treatment. Vision rehabilitation is very effective in helping people with blindness lead full, productive lives.