Seeing colors, but not by knockout?

September 20, 2012

Warren Silberman

Warren Silberman

  • Former Manager, FAA Aerospace Medical Certification 
  • Doctor of Osteopathic Medicine 
  • Expert in Aerospace/Preventive Medicine 
  • Pilot since 1986

This isn't an article about boxing and what happens when you get knocked out, but concerns a hereditary or acquired condition known as color vision deficiency.

Color vision deficiency is the inability to differentiate between certain colors or, in more severe cases, to be able to see colors at all, also known as “color blindness.” Most individuals with color deficiency can see colors, but have difficulty identifying differences between shades of red and green or, less commonly, blue and yellow, and the deficiency varies from mild to severe.

To continue reading, please log in or join AOPA now to have access to these exclusive expert resources.