What Is Night Blindness?

Medically Reviewed by Whitney Seltman, OD on February 04, 2020

This condition, which your doctor will call nyctalopia, makes it hard to see well at night or in poor light. It isn’t a disease, but rather a symptom of another problem like untreated nearsightedness.

What Causes It?


The problem comes from a disorder of the cells in your retina that allow you to see dim light. It has many causes:

To pinpoint the cause, your eye doctor will carry out a full exam. They may order specialized tests.

How Is Night Blindness Treated?

That depends on its cause. It may be as simple as a new prescription for glasses or a new medication. It could require surgery if cataracts are to blame.