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Case Reports
. 1986 Jun 16;63(1):73-82.
doi: 10.1007/BF00153014.

Two cases of retinal degeneration with an unusual form of electroretinogram

K Yagasaki, Y Miyake, R E Litao, K Ichikawa
Case Reports

Two cases of retinal degeneration with an unusual form of electroretinogram

K Yagasaki et al. Doc Ophthalmol. .

Abstract

An unusual form of retinal degeneration is reported in 15-year-old girl and 11-year-old girl with different pedigrees, which resembles the cases reported by Gouras and associates (1983). The subjective symptoms in these patients included decreased visual acuity, photophobia, anomalous color vision and night blindness. Electroretinograms (ERGs) in these two patients were identical in substance and revealed drastic alterations in both photopic and scotopic functions. The stimulus versus intensity response curve in a single-flash ERG showed an unusual form. This peculiar supernormal response was elicited by bright stimuli although the stimulus threshold was extremely elevated.

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