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  • Title: Contrast sensitivity in retinal disease.
    Author: Wolkstein M, Atkin A, Bodis-Wollner I.
    Journal: Ophthalmology; 1980 Nov; 87(11):1140-9. PubMed ID: 7243206.
    Abstract:
    Central vision in patients with retinal disorders has been studied with sinusoidal grating patterns. Impaired detection of fine high-contrast gratings has been observed in patients with retinitis pigmentosa and glaucoma despite 20/20 vision. Abnormal contrast sensitivity to coarse gratings occurred in patients with certain macular disorders and occasional glaucoma patients, some with near-normal Snellen acuity. Thus, contrast sensitivity measurements demonstrate central visual deficits not apparent with Snellen testing.
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