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Investigative Ophthalmology & Visual Science, Vol 25, 118-120, Copyright © 1984 by Association for Research in Vision and Ophthalmology

ARTICLES AND REPORTS

Retinitis pigmentosa: a psychophysical test of explanations for early foveal sensitivity loss

VC Greenstein, DC Hood, IM Siegel and RE Carr

A psychophysical procedure, the probe-flash paradigm, was used to test explanations of early foveal sensitivity loss in retinitis pigmentosa. The findings suggest that this loss may be due to a decreased responsiveness of retinal elements and not to a decrease in quantum catching ability of functioning photoreceptors.




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Copyright © 1984 by the Association for Research in Vision and Ophthalmology