Eye test - color; Vision test - color; Ishihara color vision test
Normal Values:
Normally, you will be able to distinguish all symbols.
What abnormal results mean:
This test can determine the following color vision problems:
Protanopia (difficulty distinguishing between blue/green and red/green)
Deuteranopia (difficulty distinguishing between red/purple and green/purple)
Tritanopia (difficulty distinguishing between yellow/green and blue/green)
Achromatopsia (complete color blindness, seeing only shades of gray)
Review Date: 4/8/2005
Reviewed By: Raymond S. Douglas, M.D., Ph.D., Department of Ophthalmology, UCLA Medical Center, Los Angeles, CA. Review provided by VeriMed Healthcare Network.
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