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 - 2 of 2 for Protan defect
Did you mean protein defect?
  1. ClinicalTrials.gov: Color Vision Defects From the National Institutes of Health (National Institutes of Health)  
    Color Blindness/Clinical Trials ... Color Blindness ... National Institutes of Health ... From the National Institutes of Health
    https://clinicaltrials.gov/...ion+Defects"&aggFilters=status:not rec - External Health Links
  2. What Is Color Blindness? (American Academy of Ophthalmology)  
    Color Blindness/Start Here ... Color Blindness ... American Academy of Ophthalmology ... Color blindness occurs when you are unable to see colors in a normal way. It ...
    https://www.aao.org/eye-health/diseases/what-is-color-blindness - External Health Links