A collection of videos relating to the diagnosis and treatment of eye movement disorders. This collection includes many demonstrations of examination techniques.
Dan Gold, D.O., Associate Professor of Neurology, Ophthalmology, Neurosurgery, Otolaryngology - Head & Neck Surgery, Emergency Medicine, and Medicine, The Johns Hopkins School of Medicine.
A collection of videos relating to the diagnosis and treatment of eye movement disorders.
NOVEL: https://novel.utah.edu/
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| Title | Description | Subject | ||
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Brainstem Ocular Motor Machinery | Seen here is a sagittal view of the brainstem. The medulla has a significant role in gaze-holding, and the nucleus prepositus hypoglossi (NPH, along with the medial vestibular nucleus ) is the horizontal neural integrator. The abducens (6th) nucleus is located in the dorsal pons, and sends off the 6... | Medulla OMS; Pons OMS; Mesencephalon OMS; Dorsal Midbrain OMS |
| 2 |
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Central Anatomy of the Fourth Nerve | The IVth or trochlear nucleus is located ventral to the central periaqueductal grey matter, dorsal to the medial longitudinal fasciculus (MLF) and medial to the oculosympathetic tract at the level of the inferior colliculus. The fascicles of the IVth nerve travel dorsally and caudally around the cen... | Mesencephalon OMS |
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Central Anatomy of the Third Nerve | Seen here is an axial section of the midbrain at the level of the superior colliculus. The paired nuclei are located ventral to the periaqueductal grey, and the midline central caudal nucleus (CCN) is located between the right and left nuclei. The CCN sends projections to bilateral levator palpebrae... | Mesencephalon; Third Nerve Palsy |
| 4 |
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Coronal Section of the Brainstem Showing Ocular Motor Nuclei and Anatomy of the Vestibular Nucleus (with SCC Inputs) | (A) Seen here is a coronal view of the brainstem showing the locations of the ocular motor nuclei (IIIrd, IVth, VIth) as well as the nuclei of VII and VIII (vestibular and cochlear). The vestibular nucleus (VN) is divided into the inferior, lateral, medial, and superior subnuclei, and the medial ves... | Pons; Medullar OMS; Mesencephalon OMS; Figures |
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Sagittal Section of the Brainstem Showing Structures Related to Normal Eyelid Function | Seen here is a sagittal view of the brainstem, with the structures relevant to normal eyelid function highlighted. The M-group, which can be found medial to the riMLF (coordinates eye and lid movements), has (weak) projections to the facial nucleus for frontalis muscle contraction, and (strong) proj... | Figures; Mesencephalon OMS |
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Sagittal Section of the Midbrain Showing Structures Related to Normal Eyelid Function | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: During a vertical saccade, the rostral interstitial nucleus of the medial longitudinal fasciculus (riMLF) is activated, which excites the superior rectus (SR) and inferior oblique (IO) (IIIrd nerve) subnuclei. Additionall... | Figures; Mesencephalon OMS |
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