Visual Acuity in Children | OKN Drum |Bruckner Reflex|Lea Gratings|Cardiff Acuity Cards|Picture Test
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YouTubeRudrani Banik, M.D.
Rani Banik MD | Eye Doctor on Instagram: "The Optokinetic Nystagmus (aka OKN) Drum! Ever seen this tool in an ophthalmologist’s office and wonder what it’s used for? The OKN Drum can be used to: - assess intact visual acuity in non-verbal patients such as young children - distinguish functional vision loss from true vision loss - check for convergence retraction in cases of dorsal midbrain syndrome - assess vertical saccades (or lack thereof) in cases of supranuclear palsy - and much more! Any q
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Rani Banik MD | Eye Doctor on Instagram: "The Optokinetic Nysta…
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Instagramdr.ranibanik
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
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