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Thesis

Variation of the green-red ratio with refractive error

1 February 1982

Abstract

The relationship of refractive error to green-red ratios among color normals was investigated by asking 27 subjects to match a standard yellow with a mixture of red and green primaries using a Nagel anomaloscope. Testing was done with corrected refractive error, uncorrected refractive error, and induced refractive error with+ 2.00 D. and+ 4.00 D. spherical lenses. Green-red ratios did not show any regular change with refractive error. Differences of refractive error among color normal persons do not change the measurements of color vision with the Nagel anomaloscope.


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