Poor color vision

Poor color vision — sometimes called colorblindness — means you can't distinguish between certain shades of color. An eye doctor can quickly detect this deficiency.

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tests and diagnosis

Eye exam

Eye exam — Overview covers definition, what to expect and results of vision testing.

Treatments and drugs

Cataract surgery

Cataract surgery successfully restores vision in an overwhelming majority of cases. Find out what cataract surgery involves, including what to expect afterward and rare complications.

July 30, 2013