Monday, March 13, 2006. There are two main definitions for color blindness. The inability to perceive differences between some or all colors that other people can distinguish. The inability to distinguish similar shades of a color, the complete inability to see color. Color blindness is caused by an inherited trait. It is also caused by a disease of the optic nerve or retina. Difficulty of tell certain colors apart.

Sunday, March 13, 2011. What Is Genetic Counseling? Web 11 Mar.

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Vision Research Links Color Blindness to Eye Cells, Not Brain. A condition that affects an estimated 13. What Causes Color Blindness? 10 Facts About Color Blindness. Am I Color Blind? April 29th, 2013.

Wednesday, March 9, 2011. I hope you have enjoyed my blog and I hope you have learned a lot. If you have any questions just put them in the comments. Thanks! Posted by Sam Jones. Sunday, March 6, 2011. If you can the pattern in this, then you are probably colorblind. This is called a reverse colorblindness test. Here are some interesting facts I found while doing my research. People with colorblindness might see texture and patterns better.