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  • Title: Human pattern-evoked retinal responses are altered by optic atrophy.
    Author: Dawson WW, Maida TM, Rubin ML.
    Journal: Invest Ophthalmol Vis Sci; 1982 Jun; 22(6):796-803. PubMed ID: 7076425.
    Abstract:
    Electrical signals in response to both diffuse flashes of light and phase-alternating spatial patterns were recorded from the eyes and from the occipital scalp of a subject with a traumatic unilateral (right) optic nerve section. Clinical examination disclosed a grossly normal right eye with no light perception, a Marcus Gunn pupil, and an atrophic optic disc. The left eye was normal. The electroretinogram responses on the lesioned side (OD) were normal, but there was no pattern-evoked retinal response (PERR) and no recordable visual-evoked response present. The conclusion is that the optic nerve and ganglion cells appear to be selectively responsible for the PERR potential.
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