July 1990
Volume 31, Issue 7
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Articles  |   July 1990
Electroretinograms and visual evoked potentials in long-term monocularly deprived cats.
Author Affiliations
  • J A Baro
    School of Optometry, University of Missouri-St. Louis 63121.
  • S Lehmkuhle
    School of Optometry, University of Missouri-St. Louis 63121.
  • K E Kratz
    School of Optometry, University of Missouri-St. Louis 63121.
Investigative Ophthalmology & Visual Science July 1990, Vol.31, 1405-1409. doi:
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      J A Baro, S Lehmkuhle, K E Kratz; Electroretinograms and visual evoked potentials in long-term monocularly deprived cats.. Invest. Ophthalmol. Vis. Sci. 1990;31(7):1405-1409.

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Abstract

The effects of long-term monocular lid-suture deprivation on visual-evoked cortical potentials (VEPs) and flash- and pattern-evoked electroretinograms (FERGs and PERGs, respectively) were assessed in the cat. VEPs were virtually eliminated when recorded with the deprived eye, indicating that the lid suture produced a severe amblyopia in that eye. In contrast, FERGs and PERGs were more similar for both deprived and nondeprived eyes and comparable to those recorded in normal animals. The current findings demonstrate that long-term deprivation (3-4 yr) does not produce systematic changes in the electroretinogram.

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