Optokinetic Nystagmus (OPK) in Videonystagmogram (VNG) testing
0:11
YouTubeScott Sanders
Optokinetic Nystagmus (OPK) in Videonystagmogram (VNG) testing
As part of testing the central (brain) vestibular system, a series of tests are performed, including smooth pursuit, saccades and optokinetic nystagmus (OPK) testing. These tests are accomplished with the patient wearing a pair of infrared video goggles and following a target on a screen or wall. A computer then analyzes the eye movements and ...
3.1K viewsSep 20, 2017
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41K views · 426 reactions | OKN - Optokinetic Nystagmus - Optokinetic nystagmus (OKN) is a normal, involuntary eye reflex where the eyes slowly follow a moving visual stimulus (like stripes on a train window) and then quickly snap back to the starting point to re-fixate on the target. #nystagmus #optometry #opthalmology #FBVIDEO #visioncare #OptometryTips #fbreels #videoviralシ #eyecare #reels By Vision Scientist and @topfans Photo: MRCOPHTH | Vision Scientist | Facebook
41K views · 426 reactions | OKN - Optokinetic Nystagmus - Optokinetic nystagmus (OKN) is a normal, involuntary eye reflex where the eyes slowly follow a moving visual stimulus (like stripes on a train window) and then quickly snap back to the starting point to re-fixate on the target. #nystagmus #optometry #opthalmology #FBVIDEO #visioncare #OptometryTips #fbreels #videoviralシ #eyecare #reels By Vision Scientist and @topfans Photo: MRCOPHTH | Vision Scientist | Facebook
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