A comparison of the results of congenital red-green color defects mesured by Color Perception Tests.
- Author:
Cheol Min KIM
1
;
Jong Soo LEE
Author Information
1. Department of Ophtahlmology, Pusan University Medical School, Pusan, Korea.
- Publication Type:Original Article
- Keywords:
Congenital red green color defect;
Double 15 hue test;
Hahn`s color vison test;
Neitz anomaloscope
- MeSH:
Color Perception Tests*;
Color Perception*;
Color Vision
- From:Journal of the Korean Ophthalmological Society
1997;38(1):149-155
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
124 cases with congenital red-green color defects were examined using hahn`s color vision test, double 15 hue test, and Nagel`s anomaloscope. In the Neitz anomaloscope test, 5 cases(4%) showed protanomaly, 1 case(1%) extreme protanomaly, 16 cases (13%) protanopia, 45 cases(36%) deuteranomaly, 52 cases(42%) deuteranopia, and 5 cases (4%) normal state. 5 cases(4%) of protan was classified by degree of color defects, 1 case with mild defect, 1 case with moderate defect, and 3 cases with severe defect by the Hahn`s color vision test. 14 cases (10.4%) of deutan eye the following:5 cases in mild, 6 cases in noderate, and 3 cases in severe defect. 105 cases (85.6%) were the unclassified type. In comparision with Hahn`s color vision test and anomaloscope, the concordance rate was 57.1%(8/14) in only mild and severe color defect of deutan. In the Double 15 hue test, 29 cases (23%) showed in 60.9%(25/41) in deutan. By the degree of color defect, 6 cases showed medium response, 23 cases strong response in protan. 4 cases showed medium, 37 cases strong response in deutan. The concordance rates are 57%(13/23) in protan and 68%(25/37) in deutan in strong response. We conclude that Neitz anomaloscope test is better method than Hahn`s color vision test and double 15 hue test in qualitative and qualntitative dignosis of cogenital red-green color defects.
