Titlebook: Colour Vision Deficiencies IX; Proceedings of the n B. Drum,G. Verriest Conference proceedings 1989 Kluwer Academic Publishers 1989 Hyperte

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Congenital Protan and Deutan Defects in Women with the Ishihara pseudoisochromatic plates and diagnosis of the type of defect was obtained using the Nagel anomaloscope. One woman was found to be a protanope, 14 were protanomalous trichromats and 35 were deuteranomalous trichromats. Evidence of defective colour vision in other family members wa

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Color Vision Screening in 4384 Kindergarten Childrenperienced medical students diagnosed 8.13% color defects with approximately 0.5% of them being false-positive. Inexperienced kindergarten teachers had subjective difficulties in interpreting test results. The authors formulated a new instruction, especially taking into consideration the difficulties

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https://doi.org/10.1007/978-3-663-02915-1mple. One of the possible heterozygotes presented with a minor colour-vision defect..No familial concentration of colour-weak or colour-deviant subjects could be detected..Sib-sib correlations for the 100-hue and the anomaloscope results were investigated using two estimates based on analysis of var

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Simulationsmodelle ganzer Unternehmungenservers at both 590 and 610 nm. The illuminance required to bleach one half the pigment was less than that for most normal observers, which is 4.4 log td for a 590 nm standard, although the ranges overlapped. These findings, together with each set of photopigment spectral sensitivities, place a limi

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Simulationsmodelle ganzer Unternehmungenues for the two groups for both surround and no surround conditions remained the same. A difference in the density of cone mosaics for deuteranopes and protanopes was analyzed as a possible explanation for the differential flicker sensitivity found in our study.