Abstract
The pattern-reversal electroretinogram (PERG) is a bioelectrical signal which can be recorded from the cornea of the human eye when a contrast-reversing (i.e. phase-alternating) pattern is viewed. Although the retinal generators of this biopotential have not been precisely localized (1,2) considerable evidence suggests that the PERG is correlated with neural activity occurring in the proximal retina (3-5). PERG abnormalities often are associated with visual disorders that affect the proximal retina and optic nerve (6,7).
© 1987 Optical Society of America
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