Selective abnormality of the cone B-wave in a patient with retinal degeneration |
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| Authors: | Rockefeller Young James Price Nell Gorham Michael Cowart |
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| Affiliation: | (1) Department of Ophthalmology and Visual Sciences, Texas Tech University, Health Sciences Center, 79430 Lubbock, TX, USA |
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| Abstract: | ![]()
A 44-year-old woman with midperipheral pigmentary changes that resemble retinitis pigmentosa (RP) is described; unlike typical patients with RP, her photopic b-wave was markedly attenuated as compared with her photopic a-wave. Otherwise, her electroretinogram (ERG) was typical of patients with early stages of photoreceptor degeneration. Scotopic and photopic a-wave amplitudes were reduced about 50%; her scotopic b/a appeared normal. |
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| Keywords: | a-wave b-wave cone electroretinogram retinal degeneration retinitis pigmentosa |
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