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  • Title: Clinical analysis of colour vision deficiencies with The City University test.
    Author: Ohta Y, Kogure S, Izutsu Y, Miyamoto T, Nagai I.
    Journal: Mod Probl Ophthalmol; 1978; 19():126-30. PubMed ID: 310022.
    Abstract:
    The City University colour vision test (CUCVT) was used for the examination of 158 subjects suffering from congenital colour vision defects (36 protanopes, 122 deutanopes) and its results were compared with that of an anomaloscope and of the panel D-15. 23% of the subjects classified as protanopes and 98% of the subjects classified as deuteranopes by means of the anomaloscope were also classified as such by means of the CUCVT, while 93% of the subjects classified as protanomalous and 90% of the subjects classified as deuteranomalous by means of the anomaloscope gave normal answers at the CUCVT. The results of the CUCVT were almost the same as with panel D-15 except protanopia. The colour spots of each plate of the CUCVT were plotted on a CIE chromaticity diagram and the results of this study are also reported.
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