EOG and ERG

For Optometry 662 at Pacific University

focal Takes 8 minutes or so to generate this on EOG testing

lightrise Eye disease in which the ERG is normal, but the EOG is not

pigmentepithelium Important piece of equipment (shown in class) needed for flash ERG

Mueller This type of peak is larger and slower to flash ERG

scotopic Takes 10-15 minutes to generate this on EOG testing

cornea This type of ERG can test for localized problems, like a macular scar

pattern In EOG. the part of the eye that is positively charged in the dark by 6 mV

darktrough Light rise divided by dark trough percentage on EOG

ganzfeld A connective cell that contributes to the standing potential of the eye

ardenratio A single layer of cells that contributes to the standing potential of the eye

vitteliformdystrophy This is the only type of ERG that tests the ganglion cells in the inner retina

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