Abstract

A technique of recording localized electroretinograms (ERGs) with macroelectrodes is described. The localized ERG showed a typical a wave and b wave which confirmed the idea that the ERG can be a response to a focal as well as a nonfocal stimulus. An electroretinographic map of the retina is shown. At the optic nerve head the ERG is absent or is markedly reduced in amplitude. The change in the amplitude of the b wave from the central area to the periphery is not smooth; on the contrary, abrupt changes in the amplitudes were found. An area in the inferior half of the retina was found which gave large amplitude ERGs. This area was seen in all of the retinas plotted although its exact shape and size varied.

© 1958 Optical Society of America

Binocular Interaction in the Frog Retina*

George K. Shortess
J. Opt. Soc. Am. 53(12) 1423-1429 (1963)

Electrical Activity in the Vertebrate Retina*

Tsuneo Tomita
J. Opt. Soc. Am. 53(1) 49-57 (1963)

Effect of Preparation and Electrode Placement on the Frog ERG*

Ernest Dzendolet
J. Opt. Soc. Am. 50(9) 903-908 (1960)

Luminance-Duration Relationships in the Light-Adapted Electroretinogram

William R. Biersdorf
J. Opt. Soc. Am. 48(6) 412-417 (1958)

Cone-isolating ON–OFF electroretinogram for studying chromatic pathways in the retina

James A. Kuchenbecker, Scott H. Greenwald, Maureen Neitz, and Jay Neitz
J. Opt. Soc. Am. A 31(4) A208-A213 (2014)