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TitleCreatorDescriptionSubject
126 Lancaster Red-Green TestAngela Cao; Anne AbelThe Lancaster Red Green Test is used to assess ocular misalignment. This brief video explains how to administer and interpret the test.Diplopia; Lancaster Red Green Test; Strabismus
127 Congenital Oculomotor ApraxiaRaed Behbehani, MDCongenital Ocular Motor Apraxia is an uncommon condition that causes children to have difficulty moving their eyes horizontally or from side to side. They are usually unable to quickly move their eyes from side to side and often have to turn their head (head jerking) and not just their eyes to track...Oculomotor Apraxia
128 Illusory Visual SpreadEmily H. Jung, AB; Jang Lee, AB; Sachin Kedar, MDIllusory visual spread is a form of visual perseveration resulting in images appearing to spread beyond it normal confines. In this video we describe a patient with Parkinson's disease and dementia, who developed various forms of visual hallucination including palinopsia and illusory visual spread. ...Visual Perseveration; Illusory Visual Spread; Visual Hallucination
129 Aberrant Regeneration Third NerveGregory P. Van Stavern, MD48 year old woman S/P rupture and repair of right sided posterior communicating artery aneurysm Video shows residual partial right third nerve palsy, with aberrant regeneration, causing a pseudo Von Graefe's sign (elevation of the right upper eyelid with attempted infraduction of the right eye)Aberrant Regeneration Third Nerve; Third Nerve Palsy
130 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
131 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
132 Sensory NystagmusTony Brune, DO; Jonathan D. Trobe, MD; Raed Behbehani, MDA video describing sensory nystagmus.Nystagmus; Sensory Nystagmus
133 John Cunningham VirusAlison Gibbons; Amanda D. Henderson, MDThis learning object is a narrated Power Point presentation describing the features of, risk factors for, and clinical presentations of the John Cunningham, or JC, virus. It includes a discussion of various immunosuppressed states, including HIV, use of natalizumab (a disease-modifying therapy that ...John Cunningham Virus; JC Virus; Natalizumab
134 Sports Related Head InjuriesJessica Darusz, MD; Sean Gratton, MDThis narrated PowerPoint reviews the basics of sports related head injuries. It emphasizes assessment tools and treatment decisions in assessing athletes with concussion and other head injuries.Concussion; Sports-related Head Injuries; Post-concussion Syndrome
135 Postconcussion Syndrome and Postconcussion HeadacheJessica Darusz, MD; Sean Gratton, MDThis brief presentation describes the pathophysiology, evaluation, and management of concussion, with an emphasis on postconcussion headache.Concussion; Postconcussion Syndrome; Postconcussion Headache
136 Ocular Neuromyotonia VideoBashaer Aldhahwani, MD; Joshua Pasol, MDA video demonstrates ocular neuromyotonia in the left eye of a patient with a history of cranial radiation of parasellar mass. Ocular neuromyotonia (ONM) is a rare ocular motor disorder characterized by intermittent, tonic spasms of one or more of the extraocular muscles, resulting in strabismus and...Ocular Neuromyotonia
137 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
138 Radiation Optic NeuropathyKhawla Elnour; Amanda Henderson, MDA video describing optic neuropathy related to radiation.Radiation; Neuropathy
139 Methanol ToxicityDaniel Lovasz; James Brian Davis; Amanda Dean Henderson, MDMethanol toxicity can be very dangerous with high morbidity and mortality rates, and outcomes typically worsen with increasing acidemia, hyperglycemia, or acute kidney injury. Delayed treatment can result in irreversible injury, such as vision loss, or even death. The harmful effects of methanol com...Acidosis; Fomepizole; Formic Acid; Methanol Toxicity; Toxic Optic Neuropathy
140 Vascular Headache DisordersSalman Ali Mahmood, MD; Sean Gratton, MDThis is a PowerPoint with embedded audio presenting a detailed summary of the evaluation and management of an important cause of secondary headaches: vascular headache disorders. Topics covered include intracranial hemorrhage, arterial dissection, giant cell arteritis, cerebral venous sinus thrombos...Vascular Headache Disorders; Epidural Hematoma; Subdural Hematoma; Subarachnoid Hemorrhage; Intracranial Hemorrhage; Arterial Dissection; Giant Cell Arteritis; Cerebral Venous Sinus Thrombosis; Pituitary Apoplexy
141 Headaches Related to Eye DisordersNikki Gill, MSIII; Sean Gratton, MDHeadache attributed to disorders of the eye: Angle closure glaucoma, Ocular inflammation, Refractive error, Trochlear headache, Ocular surface disorderEye Disorders; Headache; Angle Closure Glaucoma; Ocular Inflammation; Refractive Error; Trochlear Headache; Ocular Surface Disorder
142 Cerebral PalsyMozammil Alam, Medical Student; Sean Gratton, MDThis video covers an overview of cerebral palsy.Cerebral Palsy
143 Optic Neuropathy: A Recipe for BlindnessKarim Kozhaya, MD; Alaa Bou Ghannam, MD; Alfredo Sadun, MD, PhDAn epidemic of blindness and peripheral neuropathy struck Cuba in the early 90s. By the end of 1993, 7% of the population was affected. Most patients were men and presented with sub-acute, painless, bilateral loss of vision. The etiology of the disease pondered local and international scientists, es...Cuban Epidemic Optic Neuropathy; Leber's Hereditary Optic Neuropathy; Mitochondrial Insufficiency; Nutritional Optic Neuropathy; Pale Optic Nerve
144 Right Lateral Medulla and Cerebellar StrokeJorge C Kattah, MDThis patient presented with an acute vestibular syndrome, he has a h-left beat nystagmus and a normal head impulse test . He had grade 3 truncal ataxia and severe ocular lateropulsion to the right (type 1 overt OL). Hypometric leftward, centripetal, slow saccades were video-recorded even six weeks...Right Lateral Medulla; Cerebellar Stroke
145 Diagnosis and Evaluation of Stroke: Cerebral HypoxiaDanny Alevy; James Brian Davis; Amanda Dean HendersonNeurons are particularly vulnerable to oxygen deprivation. Cerebral hypoxia can be caused by arterial thrombosis, embolism, hypoperfusion, cervical artery dissection, or cryptogenic causes. About 1/3 of ischemic strokes are from cryptogenic causes. Embolic strokes are the next most common (20-30%), ...Atherosclerosis; Cerebral Hypoxia; Cervical Artery Dissection; Cryptogenic Ischemia; Embolism; Hypoperfusion; Ischemia; Stroke; Thrombosis
146 Diagnosis and Evaluation of Stroke: Mechanism - VasculitisDanny Alevy; Amanda D. Henderson, MDIn this video, we discuss the diagnosis and evaluation of several vasculitides linked to an increase in risk for cerebral ischemic stroke. We focus on ANCA-associated vasculitides, polyarteritis nodosa, Takayasu arteritis, lupus vasculitis, and Susac syndrome, while highlighting their key symptoms a...Ischemic Stroke; Vasculitis; ANCA-associated Vasculitis; Polyarteritis Nodosa; Takayasu Arteritis; Systemic Lupus Erythematosus; Susac Syndrome
147 Thrombectomy for Acute Ischemic StrokeAaron W. Grossman, MD, PhDA video overview of thrombectomy of acute ischemic stroke. Covers anatomy, history of treatment, and current practice.Thrombectomy; Acute Ischemic Stroke
148 Behcet's DiseaseHarinee Arunachalam, MSIV; Sean Gratton, MDThis video provides an overview of Behcet's Disease, a rare vasculitis of unknown etiology.Behcet's Disease
149 Retinal Artery Occlusive DiseaseAli Alkhabbaz, MD; James Brian Davis; Amanda Dean Henderson, MDRetinal arterial occlusion includes ophthalmic artery occlusion (OAO), central retinal artery occlusion (CRAO), branch retinal arteriolar occlusion (BRAO), from proximal to distal. These can occur with or without retinal ischemia and may be permanent or transient. There are 4 subtypes of CRAO: non-a...Branch Retinal Arteriolar Occlusion; Central Retinal Artery Occlusion; Giant Cell Arteritis; Ophthalmic Artery Occlusion
150 A Brief Introduction to Post-Ocular Surgery StrabismusSrujay Pandiri, Medical StudentThis is a short narrated Powerpoint that introduces concepts important to post-ocular surgery strabismus. It highlights the connection between common surgeries include cataract surgery, scleral buckle surgery, refractive surgery, among others.Diplopia; Strabismus; Post-ocular Surgery Strabismus
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