Natural course of retinitis pigmentosa over a three-year interval.

  title={Natural course of retinitis pigmentosa over a three-year interval.},
  author={Eliot L. Berson and Michael A. Sandberg and Bernard Rosner and David G. Birch and Anita Hanson},
  journal={American journal of ophthalmology},
  volume={99 3},
Ninety-four patients, 6 to 49 years old, with progressive forms of retinitis pigmentosa were examined at baseline and annually for three consecutive years with respect to visual acuity, kinetic visual fields, dark-adaptation thresholds, computer-averaged electroretinograms, and fundus photographs. A subset was recalled within two months of a given visit to measure intervisit variability and to develop criteria for what constitutes significant (P less than .01) functional change. Over a three… CONTINUE READING
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