Human Electroretinogram Responses to Video Displays

Publication Type

Journal Article

LBNL Report Number

LBL-24666

Abstract

Time-averaged human electroretinogram (ERG) responses were determined for several workplace visual stimuli which are temporally modulated at rates exceeding the perceptual critical fusion frequency (CFF). A clearly identifiable synchronous response was in evidence for a video display terminal (VDT) stimulus operating with a refresh rate as high as 76 Hz. A directly viewed fluorescent luminaire with controllable driving frequency elicited a synchronous response at rates as high as 145 Hz. In addition, an intense stimulus created by modulating the light from a slide projector produced responses at least as high as 162 Hz. The implications of these high-frequency responses as representing a potential basis for visual symptoms are discussed.

Journal

Journal of Optometry and Vision Science

Volume

68

Year of Publication

1988

Pagination

645-662

Call Number

LBL-24666