Source:http://linkedlifedata.com/resource/umls/id/C0242225
CSP: partial or total inability to distinguish one or more chromatic colors.,MEDLINEPLUS: <p>Most of us see our world in color. We enjoy looking at a lush green lawn or a red rose in full bloom. If you have a color vision defect, you may see these colors differently than most people. </p><p>There are three main kinds of color vision defects. Red-green color vision defects are the most common. This type occurs in men more than in women. The other major types are blue-yellow color vision defects and a complete absence of color vision.</p><p>Most of the time, color blindness is genetic. There is no treatment, but most people adjust and the condition doesn't limit their activities. </p>,NCI: The absence of or defect in the perception of colors.