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Color Blindness


Color Blindness is a term used for people that have trouble seeing/can’t see at all, the colors of red, blue, or green. It is highly unlike that people are born not being able to see any color at all. It is fairly common among men with 1 in 12 being born with some variation of this.


Most people who have a form of color blindness inherit it from their parents and have it all their life.  

Three types of cone cells are present in the eye, each senses either green, red or blue. Color blindness will occur when one of these types of cone cells are missing or doesn’t operate properly, causing the individual to not be able to see a specific color or a shade of color.

There are certain situations that can cause this other than genetics, they include:

  • Trauma to eye
  • Glaucoma, macular degeneration, cataracts, and diabetic retinopathy
  • Old age
  • Side effects of certain medicines

Symptoms include

  • Being limited to seeing only a few types of colors.
  • Can see certain colors but not others. (depending on the cone cell that has been affected)  
  • Inability to distinguish one color from the next (ex. Cannot tell the difference between red and green)
  • With rare cases, people can only see in black and white.

Doctors can administer a very simple test that can diagnose whether or not the patient is color blind. Being color blind may prevent that individual from getting certain types of jobs, such as military pilots, firefighters, and police officers.Example of a common color blindness test

As of right now there is no treatment for inherited color blindness. A majority of people with a form of colorblindness live completely normal lives and aren’t negatively affected but this in any significant way. Things like colored contact lenses have been known to help people see individual colors.