Cameron C. Girgenti

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PURPOSE We investigated the interaction between adapting field size and luminance on pupil diameter when cones alone (photopic) or rods and cones (mesopic) were active. METHOD Circular achromatic targets (1° to 24° diameter) were presented to eight young participants on a rectangular projector screen. The accommodative influence on pupil diameter was(More)
To evaluate whether luminance contrast discrimination losses in amblyopia on putative magnocellular (MC) and parvocellular (PC) pathway tasks reflect deficits at retinogeniculate or cortical sites. Fifteen amblyopes including six anisometropes, seven strabismics, two mixed and 12 age-matched controls were investigated. Contrast discrimination was measured(More)
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