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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 72, Iss. 8 — Aug. 1, 1982
  • pp: 1021–1025

Early-stage abnormality of foveal pi mechanisms in a patient with retinitis pigmentosa

Rockefeller S. L. Young  »View Author Affiliations


JOSA, Vol. 72, Issue 8, pp. 1021-1025 (1982)
http://dx.doi.org/10.1364/JOSA.72.001021


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Abstract

The patient of this study is a protanope who is afflicted with retinitis pigmentosa. As with other patients studied, an abnormality in Stiles’s pi-1 mechanism was found in the patient’s worse eye (20/35 visual acuity). From his rejection of monochromatic color matches, we inferred that the sensitivity of the short-wave cones is reduced, but their signals are not abnormally attenuated by the middle-wave cones. The patient’s pi-4 thresholds, however, were within the range of normal control values.

© 1982 Optical Society of America

Citation
Rockefeller S. L. Young, "Early-stage abnormality of foveal pi mechanisms in a patient with retinitis pigmentosa," J. Opt. Soc. Am. 72, 1021-1025 (1982)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-72-8-1021

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