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  • Title: Data concerning colour vision deficiencies amongst 29,985 young Greeks.
    Author: Koliopoulos J, Iordanides P, Palmeris G, Chimonidou E.
    Journal: Mod Probl Ophthalmol; 1976; 17():161-4. PubMed ID: 1085863.
    Abstract:
    In this survey, 29,985 young Greek employees were screened by the Ishihara plates and if necessary by further more detailed methods (including anomaloscope). The examination of 21,231 young males revealed 212 (1.00%) protanopes, 241 (1.14%) deuteranopes, 254 (1.20%) protanomalous, 978 (4.61%) deuteranomalous and 2 with monochromatic vision. In total, 1,678 males (7.95%) had a colour vision disturbance. The examination of 8,754 young females revealed 1 (0.01%) protanope, 2 (0.02%) deuteranope, 3 (0.03%) protanomalous and 31 (0.35%) deuteranomalous; no case of monochromatic vision in females was detected. In total, only 37 (0.42%) females had a detectable colour vision disturbance with applied screening method. These results are discussed and compaired with the available bibliographic data.
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