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Title | Creator | Description | Subject |
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Pendular vs Jerk Nystagmus | Tony Brune, DO; Daniel R. Gold, DO | A video distinguishing pendular and jerk nystagmus. | Nystagmus; Pendular Nystagmus; Jerk Nystagmus |
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Sensory Nystagmus | Tony Brune, DO; Jonathan D. Trobe, MD; Raed Behbehani, MD | A video describing sensory nystagmus. | Nystagmus; Sensory Nystagmus |
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Voluntary Nystagmus | Sangeeta Khanna, MD | A short presentation on the phenomena of voluntary nystagmus. | Nystagmus; Voluntary Nystagmus |
4 |
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Nystagmus Elicitation Techniques | Jorge C. Kattah, MD | An 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 |
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Downbeat Nystagmus Anti-GAD Cerebellar Syndrome | Raed Behbehani, MD | A patient with Anti-GAD positive Cerebellar syndrome with ataxia and opsoclonus due to downbeat nystagmus , treated with Baclofen with some improvement. | Downbeat Nystagmus |
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Upbeat Nystagmus | Raed Behbehani, MD, | A patient with a brain stem syndrome due to demyelination and upbeat nystagmus. | Upbeat Nystagmus |
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Voluntary Nystagmus | Christopher Glisson, DO; Janet Rucker, MD; Melody Merati; Eric Eggenberger, DO | Demonstration of voluntary nystagmus. | Voluntary Nystagmus |
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Periodic Alternating Nystagmus | Raed Behbehani, MD | PAN 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 |
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See-Saw Nystagmus | Raed Behbehani, MD | This 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 |
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See-Saw Nystagmus | Raed Behbehani, MD | See-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 |
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Vertical optokinetic nystagmus | Anat Bachar Zipori, MD; Nasrin Najm-Tehrani, FRCS Ed (Ophth), FRCSC | Visual 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 |
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Horizontal Right Optokinetic Nystagmus | Anat Bachar Zipori, MD; Nasrin Najm-Tehrani, FRCS Ed (Ophth), FRCSC | Visual 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 |
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Thiamine (Vitamin B1) Deficiency (Video) | Nirupama Devanathan; Devin D. Mackay, MD | 33-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 |
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Convergence-Retraction Nystagmus in Dorsal-Midbrain Syndrome | Paul Freund, MD, FRCSC; Edward Margolin, MD, FRCSC | A 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 |
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Neuro-Ophthalmology of Multiple Sclerosis | Emily Sun, Medical Student; Amanda Henderson, MD | Multiple 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 |
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Treatment Outcomes of Ocular Manifestations in Wernicke's Encephalopathy: Video | Whitney Stuard Sambhariya, PhD, Medical Student; Melanie Truong-Le, DO, OD | The 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 |
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Control of the Eye Movements: Neuroanatomy Video Lab - Brain Dissections | Suzanne S. Stensaas, PhD | Disturbances 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 |
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Serial Examination and Evolution of Horizontal Gaze Palsy in Thiamine Deficiency | Maxwell Nyce, OD; Joshua Chisholm, OD; Julia Szmada, OD; Jorge C Kattah, MD | Neurology consult of patient with hearing loss following vertical band sleeve gastroplasty. See associated presentation: https://collections.lib.utah.edu/details?id=1512437 | Gaze Palsy; Gaze Paretic Nystagmus; Vestibular Loss; Hearing Loss; Loss of Speech Comprehension; Encephalopathy |