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  • Title: The incidence of red-green colourblindness in the populations of Tripolitania, Cyrenaica and Fezzan in Libya, and of the Kikuyu, Kamba, Taita, Taveta and Luo tribes of Kenya.
    Author: Sunderland E, Rosa PJ.
    Journal: Am J Phys Anthropol; 1976 Jan; 44(1):151-6. PubMed ID: 1082243.
    Abstract:
    The results of surveys of colourblindness carried out using the Ishihara test cards in Libya and Kenya, involving 384 and 504 individuals respectively, are reported. The Libyan samples, drawn from three geographically distinct regions of the country, are relatively homogeneous. The Kenyan samples, on the other hand, are heterogeneous, but in toto they display a markedly lower colourblindness percentage than do the Libyans. The Kenyan data are in broad accord with the other data available for sub-Saharan African populations. There are very few sets of comparative data available for North African populations, but the Libyan material displays a lower incidence of colourblindness than the values reported in European populations.
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