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Definition : Graphical recorders of the gradual changes in the electric potential between the retina and the cornea during ocular motion in response to visual stimuli. These recorders include surface electrodes (placed on the lateral canthi of each eye) and an amplifier that boosts the bioelectric potential. Some recorders are compatible with personal computers for waveform storage and analysis. Electrooculographs are used to facilitate the diagnosis (e.g., by assessing light and dark adaptation of the eye) of certain types of retinal diseases. Some recorders have additional capability for recording the short, fast movements of the eyes made during reading and sleep.

Entry Terms : "Tropometers" , "EOGs" , "Oculographs"

UMDC code : 11480


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LKC Technologies Inc

LKC Technologies, Inc. is the worldwide leader in the visual electrophysiology field with products in over forty countries. Our products are used to diagnose a large number of ophthalmic conditions by measuring evoked potentials, including ERG, EOG, and VEP, dark adaptometry and more.

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