protanomaly Ophthalm.
(prəʊtəˈnɒməlɪ)
[f. prec. + -y3.]
A form of anomalous trichromatism marked by a reduced sensitivity to red and subnormal discrimination between red, yellow, and green hues.
| 1938 Proc. Physical Soc. L. 674 As the results for only one protanomalous observer are given, it is impossible to talk of any stages of protanomaly except by comparison with the results for the deuteranomalous observers. 1946 W. D. Wright Res. Normal & Defective Colour Vision xxiv. 297 Anomalous trichromatism is subdivided into three corresponding groups—protanomaly, deuteranomaly and tritanomaly—from the fact that each group has characteristics intermediate between those of the trichromat and the corresponding dichromat. 1973 Vision Res. XIII. 2033 The condition of anomalous trichromacy thus includes the categories of simple and extreme protanomaly and simple and extreme deuteranomaly. |