Color Blindness Definition, Causes and Types

How our eyes work has always been interesting to me. I did a project in 8th grade about it and since then it’s always interested me. I considered becoming an optician at one point!

Color blindness in particularly interesting to me. Even though I’m not color blind myself, there are several members of my family who are and we’ve taken maybe of those online color blindness tests over the years. Most of us don’t even think about what it would be like to be color blind, even though we hear about this expression all the time.

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