The H-R-R polychromatic plates. I. A. test for the detection, classification, and estimation of the degree of defective color vision.
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Color Perception↗
Biomedical subjects
L H HARDY
Publications and source records attributed to L H HARDY.
The H-R-R polychromatic plates. II. Comparison of qualitative and quantitative classifications by H-R-R plates and other tests.
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Color Perception↗
Investigation of visual space; the Blumenfeld alleys.
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Humans↗
Color vision testing.
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Color Perception↗
Investigation of visual space.
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Depth Perception↗