Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 1 of 1 for Night blindness
  1. ... and adults, and for presbyopia in adults. Color blindness test. Color blindness means you see colors differently than most people. ... U.S. Department of Health and Human Services; Color Blindness; [updated 2019 Jul 3; cited 2022 Oct 10]; [ ... about-eye-health/eye-conditions-and-diseases/color-blindness National Eye Institute [Internet]. Bethesda (MD): U.S. Department ...