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June 1974

Psychovisual Disturbances in Glaucoma: A Study of Temporal and Spatial Summation

Author Affiliations

Vancouver, British Columbia
From the Department of Ophthalmology, University of British Columbia, and the Department of Ophthalmology, Shaughnessy Hospital of Veteran Affairs, Vancouver, British Columbia.

Arch Ophthalmol. 1974;91(6):463-468. doi:10.1001/archopht.1974.03900060477010

Spatial and temporal summations in the photopic and mesopic state of adaptation were studied in areas of relative visual field disturbance in patients with chronic simple glaucoma. Neither of these modalities of psychovisual testing was more disturbed than the differential threshold. Neither modality therefore offers promise of detecting earlier glaucomatous disturbances than profile perimetry.

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