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TitleCreatorDescriptionSubject
1 Pendular vs Jerk NystagmusTony Brune, DO; Daniel R. Gold, DOA video distinguishing pendular and jerk nystagmus.Nystagmus; Pendular Nystagmus; Jerk Nystagmus
2 Sensory NystagmusTony Brune, DO; Jonathan D. Trobe, MD; Raed Behbehani, MDA video describing sensory nystagmus.Nystagmus; Sensory Nystagmus
3 Voluntary NystagmusSangeeta Khanna, MDA short presentation on the phenomena of voluntary nystagmus.Nystagmus; Voluntary Nystagmus
4 Nystagmus Elicitation TechniquesJorge C. Kattah, MDAn examination of the patient days or weeks after the acute event requires fixation block, and a variety of techniques, known as nystagmus elicitation maneuvers to detect the recent vestibular imbalance.Nystagmus
5 Downbeat Nystagmus Anti-GAD Cerebellar SyndromeRaed Behbehani, MDA patient with Anti-GAD positive Cerebellar syndrome with ataxia and opsoclonus due to downbeat nystagmus , treated with Baclofen with some improvement.Downbeat Nystagmus
6 Upbeat NystagmusRaed Behbehani, MD,A patient with a brain stem syndrome due to demyelination and upbeat nystagmus.Upbeat Nystagmus
7 Voluntary NystagmusChristopher Glisson, DO; Janet Rucker, MD; Melody Merati; Eric Eggenberger, DODemonstration of voluntary nystagmus.Voluntary Nystagmus
8 Periodic Alternating NystagmusRaed Behbehani, MDPAN is a nystagamus characterized by a cycle of uniderectional jerk nystagamus for 60-90 sec , a pause for 10-20 sec and a a cycle of a jerk nystagmus in the opposite direction for 60-90 sec. It is found in brain stem and cerebellar conditions as well as ocular albinism ( as in this patient).Periodic Alternating Nystagmus
9 See-Saw NystagmusRaed Behbehani, MDThis nystagmus localizes to lesions supra/parasellar region (Large sellar and hypothalamic lesion) and is characterized by a see saw movement of elevation/intorsion of one eye and depression/extorsion of the other eye in a pendular fashion. This patient had a large pituitary macro-adenoma with supra...See-Saw Nystagmus
10 See-Saw NystagmusRaed Behbehani, MDSee-saw nystagmus is a localizing nystagmus to lesions of the sellar and parasellar region. "It's characterized by synchronous elevation and intorsion of one eye and depression and extorsion of the contra lateral eye . This patent has a craniopharyngioma, which was operated twice, optic atrophy and ...See-Saw Nystagmus
11 Vertical optokinetic nystagmusAnat Bachar Zipori, MD; Nasrin Najm-Tehrani, FRCS Ed (Ophth), FRCSCVisual depiction of the vertical OKN drum test. The vertical optokinetic drum test is an exam used to elicit vertical optokinetic nystagmus (OKN) when there is horizontal nystagmus. The hand-held "optokinetic" drums or tapes that are used to elicit smooth movements primarily test the pursuit system....Vertical Optokinetic Nystagmus; OKN Drum Test
12 Horizontal Right Optokinetic NystagmusAnat Bachar Zipori, MD; Nasrin Najm-Tehrani, FRCS Ed (Ophth), FRCSCVisual depiction of the horizontal OKN drum test. The hand-held "optokinetic" drums or tapes that are used to elicit smooth movements primarily test the pursuit system. This video supplements Paediatric Neuro-ophthalmology: Visual Acuity Assessment Strategies: https://collections.lib.utah.edu/ark:/...Horizontal Right Optokinetic Nystagmus; OKN Drum Test
13 Thiamine (Vitamin B1) Deficiency (Video)Nirupama Devanathan; Devin D. Mackay, MD33-year-old female who initially presented with heat stroke that was thought to provoke cyclical vomiting over the course of 6 weeks, perpetuated by anxiety, resulting in a 15- pound weight loss. She presented to the ED with bilateral vision loss, bilateral lower extremity weakness and vertical nyst...Thiamine; Upbeat Nystagmus; Nutritional Optic Neuropathy; Wernicke Encephalopathy
14 Convergence-Retraction Nystagmus in Dorsal-Midbrain SyndromePaul Freund, MD, FRCSC; Edward Margolin, MD, FRCSCA man in his early twenties was referred by optometrist for abnormal eye motility findings. He had a remote history of an excised pinealoma. On exam he had almost complete upgaze palsy, convergence-retraction nystagmus on attempted upgaze, and light-near dissociation of pupillary reaction, the class...Dorsal Midbrain Syndrome; Parinaud Syndrome; Convergence-Retraction Nystagmus; Light-Near Dissociation
15 Neuro-Ophthalmology of Multiple SclerosisEmily Sun, Medical Student; Amanda Henderson, MDMultiple Sclerosis (MS) is the most common neurological disease in young people with an average age of onset between 15 and 35 years old. MS is an autoimmune inflammatory condition that causes demyelinating lesions in the CNS. The diagnosis is clinical, but MRI is typically used to support the diagn...Multiple Sclerosis; Optic Neuritis; Uveitis; Internuclear Ophthalmoplegia; Nystagmus; Steroids; Demyelinating; Autoimmune
16 Treatment Outcomes of Ocular Manifestations in Wernicke's Encephalopathy: VideoWhitney Stuard Sambhariya, PhD, Medical Student; Melanie Truong-Le, DO, ODThe case of a 28- year-old woman with a past medical history of gastric sleeve who was reported to have blurry vision and presented to neuro-ophthalmology with double vision. On examination the patient had bilateral abducens palsy, alternating upbeat and downbeat nystagmus with a torsional component...Wernicke's Encephalopathy; Ocular Manifestations; Neuro-ophthalmology; Sbducens Palsy; Nystagmus; Double Vision; Blurry Vision
17 Control of the Eye Movements: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDDisturbances in eye movements can provide important clues for localization of neurological damage. The role of the frontal eye fields in horizontal gaze is stressed. The need to coordinate cranial nerves on both sides of the brain stem introduces the medial longitudinal fasciculus and its role in co...Medial Longitudinal Fasciculus; Third Cranial Nerve; Sixth Cranial Nerve; Internuclear Ophthalmoplegia; Nystagmus; Brain; Dissection
18 Serial Examination and Evolution of Horizontal Gaze Palsy in Thiamine DeficiencyMaxwell Nyce, OD; Joshua Chisholm, OD; Julia Szmada, OD; Jorge C Kattah, MDNeurology consult of patient with hearing loss following vertical band sleeve gastroplasty. See associated presentation: https://collections.lib.utah.edu/details?id=1512437Gaze Palsy; Gaze Paretic Nystagmus; Vestibular Loss; Hearing Loss; Loss of Speech Comprehension; Encephalopathy
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