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`Flight of colours' in lesions of the visual system
  1. Martin Feldman,
  2. Leo Todman,
  3. Morris B. Bender2
  1. Department of Neurology, The Mount Sinai School of Medicine, New York, U.S.A.


    A bright pocket flashlight was directed into one eye for 10 seconds; the subject then closed the eyelids and reported the sequence of after-image colours observed. Lesions of the visual system which compromised bilateral central colour vision also reduced or abolished the `flight of colours'. This simple bedside test of each eye independently is of value in detecting mild defects of central vision.

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    • 2 Reprint requests to: Dr Morris B. Bender, Mount Sinai School of Medicine, 1 East 100th Street, New York, N.Y. 10029, U.S.A.

    • 1 This work was supported in part by U.S.P.H.S. Grant EY-570.