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Contrast sensitivity in retinitis pigmentosa.
  1. C. R. Lindberg,
  2. G. A. Fishman,
  3. R. J. Anderson and
  4. V. Vasquez


    Arden gratings were used to measure contrast sensitivity in 40 patients with retinitis pigmentosa whose Snellen visual acuity was 6/12 or better. When compared with a group of 30 normal subjects the patients with retinitis pigmentosa had substantially decreased contrast sensitivity, especially at high frequencies. The Arden grating test appeared to be a sensitive test of abnormal central visual function in patients with retinitis pigmentosa.

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