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. 2006 Nov;113(3):205-12.
doi: 10.1007/s10633-006-9030-0. Epub 2006 Nov 16.

ISCEV Standard for Clinical Electro-oculography (EOG) 2006

Collaborators, Affiliations

ISCEV Standard for Clinical Electro-oculography (EOG) 2006

Malcolm Brown et al. Doc Ophthalmol. 2006 Nov.

Abstract

The Clinical Electro-oculogram (EOG) is an electrophysiological test of function of the outer retina and retinal pigment epithelium (RPE) in which the change in the electrical potential between the cornea and the ocular fundus is recorded during successive periods of dark and light adaptation. This document sets out a Standard Method for performance of the test, and also gives detailed guidance on technical and practical issues, and on reporting test results. The main object of the Standard is to promote consistent quality of testing and reporting within and between centres. This 2006 Standard, from the International Society for Clinical Electrophysiology of Vision (ISCEV: www.iscev.org ), is a revision of the previous Standard published in 1993, and reviewed and re-issued in 1998.

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Figures

Fig. 1
Fig. 1
(a and b). Recording electrode positions
Fig. 2
Fig. 2
Idealised saccadic recording with d.c. amplifier (top) and example a.c. coupled amplifier with high pass filter at 0.5 Hz and 0.1 Hz. Overshoot is hard to recognise using 0.5 Hz
Fig. 3
Fig. 3
Idealised (underlying) EOG response (top) and practical response with noise and trial/trial variability. Arrows show the dark trough (DT) and light peak (LP). The underlying curve must be estimated before recording the Arden ratio (LP/DT)
Fig. 4
Fig. 4
Idealised representation of fast oscillations (FO). In the dark intervals (black bars) the standing potential increases to a dark rise maximum (DR). Following light onset the standing potential falls to a light trough (LT). The FO ratio of the DR:LT standing potentials should be recorded

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