Skip to content

    Eye Health Center

    Font Size
    A
    A
    A

    Eye Health and Night Blindness

    Night blindness (also called nyctalopia) is the inability to see well at night or in poor light. It is not a disease, but rather a symptom of an underlying disorder or problem, especially untreated nearsightedness.

    What Causes Night Blindness?

    Night blindness is due to a disorder of the cells in the retina that are responsible for vision in dim light. It has many causes, including:

    In order to determine what is causing night blindness, the eye doctor will perform a thorough eye exam and may order any of a number of specialized tests.

    How Is Night Blindness Treated?

    Treatment for night blindness will depend on its cause. Treatment may be as simple as a new prescription for your eyeglasses or switching glaucoma drugs, or it may require surgery if it's the result of cataracts.


    WebMD Medical Reference

    Reviewed by Alan Kozarsky, MD on November 29, 2015

    Today on WebMD

    Woman holding tissue to reddened eye
    Learn about causes, symptoms, and treatments.
    eye
    Simple annoyance or the sign of a problem?
     
    red eyes
    Symptoms, triggers, and treatments.
    blue eye with contact lens
    Tips for wearing and caring.
     
    Understanding Stye
    Article
    human eye
    Article
     
    eye
    Video
    eye exam timing
    Video
     
    vision test
    Tool
    is vision correction surgery for you
    Article
     
    high tech contacts
    Article
    eye drop
    Article