THE FAMILIAL DISTRIBUTION OF CONGENITAL TRITANOPIA

摘要: Summary Tritanopia was studied in forty-seven affected individuals. Of these twenty-two are propositi and twenty-five relatives of propositi. The various tests used for the diagnosis tritanopia described their efficiency is discussed. The familial incidence suggests that bulk congenital due to one or several autosomal dominant genes, with somewhat imperfect manifestation. On a single-gene hypothesis, gene England estimated at about 1 20,000.