Impact of congenital colour vision deficiency

doi:10.1136/bmj.330.7482.96

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Congenital colour vision deficiency does cause problems

Barry L Cole, professor emeritus (bcole@optometry.unimelb.edu.au)

University of Melbourne, Victoria 3010, Australia

EDITOR—Cumberland et al did not find a significant association between colour vision deficiency and either educational attainment or the occurrence of personal injury.1 They conclude that normal colour vision is not a prerequisite for safe driving or working, saying that their findings challenge the rationale of population screening for colour vision deficiency.