Article
Diagnosing protan heterozygosity using the Medmont C-100 colour vision test.
Clinical & experimental optometry - 1 Jul 2005
Harris Ross W, Cole Barry L
Abstract excerpt
BACKGROUND: A surprisingly high 15 per cent of women in Caucasian societies are carriers of the genes for abnormal colour vision but there is no clinical method to identify them. It has long been known that heterozygotes for the protan colour vision deficiencies can demonstrate a reduced luminous sensitivity to red light. This is known as Schmidt's sign, which is thought to arise from mosaicism (Lyonisation). The...
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