NOVEL - Daniel Gold Collection
 
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151 Ocular Dipping and Ping-pong Gaze Due to Bi-hemispheric StrokesThis is a 51-year-old man presenting with hypertensive left thalamic intracerebral hemorrhage and intraventricular hemorrhage, with course complicated by multifocal supratentorial ischemic strokes. He developed abnormal movements characterized by slow, conjugate, horizontal deviations, consistent wi...Image/MovingImage
152 Ocular Motor & Vestibular Features of the MLF Syndrome𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This 61-year-old woman with HTN and DM presented for evaluation of acute onset diagonal diplopia. Adduction OS was about 60% of normal while medialization OS improved with convergence. In right gaze, dissociated abducti...Image/MovingImage
153 Ocular Motor Signs in Brainstem Demyelinating Disease - Spontaneous Upbeat, Vertical Gaze-Evoked Nystagmus, Slow Saccades, Bilateral Vestibular Loss, INOs𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 25-year-old woman who presented with painful vision loss bilaterally two years prior to this video recording, which was diagnosed as optic neuritis. Months later, she experienced oscillopsia and binocular horizo...Image/MovingImage
154 Ocular Motor Signs in Early Progressive Supranuclear Palsy𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 64-year old man who experienced imbalance and falls (usually backwards) for the last 6 months. He experienced difficulty navigating stairs and had become a messy eater (thought to be in large part due to his ver...Image/MovingImage
155 Ocular Motor Signs in Progressive Supranuclear Palsy (PSP)𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 65-yo-woman complaining of imbalance and double vision. She had significant convergence insufficiency (and would close her right eye with near viewing), providing an explanation for her diplopia. Convergence ins...Image/MovingImage
156 Ocular Motor Signs in SCA 6𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 45-yo-man who was recently diagnosed with SCA 6. There was no clear spontaneous downbeat nystagmus (DBN) in primary gaze, although DBN could clearly be provoked by convergence. Other ocular motor features includ...Image/MovingImage
157 Ocular Motor Signs of Cerebellar Ataxia - Gaze-Evoked Nystagmus, Saccadic Pursuit, and VOR Supression𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 30-year-old woman with a several year long history of imbalance due to cerebellar ataxia of unclear etiology. Seen in this video are common ocular motor signs in patients with advanced cerebellar dysfunction inc...Image/MovingImage
158 Oculogyric Crisis𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a patient with neuroleptic-induced oculogyric crisis. 𝗡𝗲𝘂𝗿𝗼-𝗼𝗽𝗵𝘁𝗵𝗮𝗹𝗺𝗼𝗹𝗼𝗴𝘆 𝗮𝗻𝗱 𝗡𝗲𝘂𝗿𝗼-𝗼𝘁𝗼𝗹𝗼𝗴𝘆 𝗧𝗲𝘅𝘁𝗯�...Image/MovingImage
159 Oculopalatal Tremor and Internuclear Ophthalmoplegia Due to Hemorrhagic Pontine Cavernoma𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 60-year-old woman who experienced 2 episodes of vertigo, nausea and vomiting, which was felt to be related to recurrent hemorrhage of a pontine cavernoma that was adjacent to the fourth ventricle. The cavernoma ...Image/MovingImage
160 Oculopalatal Tremor and One-and-a-Half Syndrome Due to Pontine Hemorrhage𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 65-year-old man who was put on a blood thinner, and shortly thereafter experienced a midline pontine hemorrhage, which was more dense on the left side. Immediately afterwards, right hemiparesis and hemi-anesthes...Image/MovingImage
161 Oculopalatal Tremor with Prominent Nystagmus, Bilateral Horizontal Gaze Palsy, and Bilateral Facial Palsies𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 50-year-old woman who experienced the acute onset of right sixth and seventh nerve palsies and left hemiparesis. Two cavernomas within the right pons (one in the region of the facial colliculus) were demonstrat...Image/MovingImage
162 One-and-a-Half Syndrome Due to Pontine HemorrhageThis is a 50-year-old woman who, while exercising in the gym, suddenly experienced vertigo, nausea, vomiting, tingling in the left arm, and diplopia. MRI demonstrated a brainstem hemorrhage that involved the right greater than left pons. Examination demonstrated a right horizontal gaze palsy due to ...Image/MovingImage
163 One-and-a-Half Syndrome, Facial Palsy, and Nystagmus Due to Dorsal Pontine DemyelinationThis is a 16-yo-girl with oscillopsia and double vision. Exam showed inability to look to the left with either eye due to left nuclear 6th. There was also a left INO (horizontal gaze palsy + INO = one-and-a-half syndrome) from left MLF involvement and left lower motor neuron facial palsy due to fasc...Image/MovingImage
164 Opsoclonus Provoked by Convergence𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 40-yo-man with post-infectious opsoclonus-myoclonus syndrome. Opsoclonus was intermittently evident in primary position, but was consistently provoked (and intensified) by convergence. Occasionally, opsoclonus (...Image/MovingImage
165 Optokinetic Nystagmus𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: During the bedside evaluation of optokinetic nystagmus (OKN), the patient is instructed to look at each red (or white) square as it moves past. Because this is not a full-field visual stimuli, using an optokinetic flag m...Image/MovingImage
166 Organic Convergence Spasm and Nystagmus in Posterior Fossa LymphomaThis is a 20-year-old woman, who 9 months prior to this video, first experienced episodes of vertigo and vomiting occurring when lying down or rolling over in bed. Gastrointestinal work-up was unrevealing and MRI was performed which demonstrated "multifocal nodular enhancing lesions along the ependy...Image/MovingImage
167 Oscillopsia and Bilateral Vestibular Loss with Gentamicin OtotoxicityPatients with bilateral vestibular loss commonly experience oscillopsia with head movements, or an inability to stabilize retinal images with subsequent bouncing or jumping of the environment due to loss of vestibular function. This causes significant blurring of vision and disorientation, dizziness...Image/MovingImage
168 Oscillopsia: A Common Symptom of Bilateral Vestibular Loss𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This video is an example of what a patient with bilateral vestibular loss experiences while walking. Without a VOR, there is no mechanism to ensure retinal stability of the world with each head movement, and oscillopsia (...Image/MovingImage
169 Palato-ocular Synchrony in Oculopalatal TremorThis is a patient with OPT due to a pontine hemorrhage, and although she did have torsional pendular nystagmus, it was very subtle. However, with eyelid closure, much larger vertical ocular oscillations could be seen, which were in fact synchronous with her palatal tremor. This finding, sometimes ...Image/MovingImage
170 Paraflocculus (Tonsillar) Ocular Motor Syndrome and Dysmetria in a Chiari Malformation - Pre and Post-Operative Exams𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 25-year-old woman presenting with 6 months or progressive imbalance, binocular vertical diplopia, and occipital headaches, which were brought on or aggravated by coughing or sneezing. Examination demonstrated hy...Image/MovingImage
171 Paraneoplastic Downbeat Nystagmus and Cerebellar Ataxia Due to Small Cell Lung Carcinoma𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 61-year-old woman (non-smoker) who developed a gait disorder, dizziness and oscillopsia that was progressive over 2 months. Exam demonstrated spontaneous downbeat nystagmus with side pocket nystagmus in lateral ...Image/MovingImage
172 Parinaud's Syndrome in a Man with GBM of the Pineal Gland𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 60-yo-man who presented with diplopia, headaches, and difficulty looking up, and was found to have a mass involving the pineal gland. Biopsy was diagnostic of a GBM. Major features of Parinaud's (dorsal midbrain...Image/MovingImage
173 Parinaud's Syndrome with Impaired Upward Saccades and Otherwise Normal Vertical Eye MovementsThis is a 50-yo-man who suffered a dorsal midbrain stroke. Exam demonstrated normal vertical range of eye movements, normal vertical VOR and smooth pursuit, but inability to perform upward saccades. Another feature of Parinaud's syndrome seen on his exam was light-near dissociation (not shown in thi...Image/MovingImage
174 Paroxysmal Ocular Tilt Reaction𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a 60-year-old woman who 2 years prior experienced a left sided hypertensive hemorrhagic stroke, resulting in right hemiparesis, dysarthria and vertical diplopia. The initial vertical diplopia resolved completely a...Image/MovingImage
175 Pendular Nystagmus𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is an example of pendular nystagmus, where like jerk nystagmus, the slow phase initiates the movement. However, unlike jerk nystagmus, there is no fast phase, but rather back to back slow phases resembling a pendulum...Image/MovingImage
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