Ophthalmotropic measurements: deliberations about listing's law.
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Audiovisual Aids↗
Biomedical subjects
R A CRONE
Publications and source records attributed to R A CRONE.
Quantitative diagnosis of defective color vision. A comparative evaluation of the Ishihara test, the Farnsworth dichotomous test and the Hardy-Rand-Rittler polychromatic plates.
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Color Perception Tests↗
[Quantitative diagnosis of color vision disorders].
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Color↗
Spectral sensitivity in color-defective subjects and heterozygous carriers.
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Color Perception↗
Statistics on strabismus in the Amsterdam youth; researches into the origin of strabismus.
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Adolescent↗
Combined forms of congenital colour defects; a pedigree with atypical total colour blindness.
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Color↗
[Treatment of strabismus; a mass survey of strabismus in Amsterdam children].
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Child↗
Clinical study of colour vision.
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Color Perception↗