How lesions at different locations along the visual pathway influence pupillary reactions to chromatic stimuli.

ABSTRACT:

Purpose

To examine systematically how prechiasmal, chiasmal, and postchiasmal lesions along the visual pathway affect the respective pupillary responses to specific local monochromatic stimuli.

Methods

Chromatic pupil campimetry (CPC) was performed in three patient groups (10 subjects with status after anterior ischemic optic neuropathy, 6 with chiasmal lesions, and 12 with optic tract or occipital lobe lesions (tumor, ischemia)) using red, low-intensity red, and blue local stimuli within the central 30° visual field. Affected areas - as determined by visual field defects revealed using conventional static perimetry - were compared with non-affected areas. Outcome parameters were the relative maximal constriction amplitude (relMCA) and the latency to constriction onset of th

SUBMITTER: Kelbsch C 

PROVIDER: S-EPMC9007757 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature