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Review
. 2010 Aug;121(1):77-84.
doi: 10.1007/s10633-010-9233-2. Epub 2010 May 26.

Essentials of photometry for clinical electrophysiology of vision

Daphne L McCulloch  1 , Ruth Hamilton
Affiliations
Review

Essentials of photometry for clinical electrophysiology of vision

Daphne L McCulloch et al. Doc Ophthalmol. 2010 Aug.

Abstract

Electrophysiological testing of the visual system requires familiarity with photometry. This technical note outlines the concepts of photometry with a focus on information relevant to clinical ERG and VEP testing. Topics include photometric quantities, consideration of pupil size, specification of brief extended flash stimuli, and the influence of the spectral composition of visual stimuli. Standard units and terms are explained in the context of the ISCEV standards and guidelines for clinical electrophysiology of vision.

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