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Selective abnormality of the cone B-wave in a patient with retinal degeneration
Documenta Ophthalmologica. Advances in Ophthalmology
|August 30, 1985
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.