John A. Moran Eye Center Neuro-Ophthalmology Collection: A variety of lectures, videos and images relating to topics in Neuro-Ophthalmology created by faculty at the Moran Eye Center, University of Utah, in Salt Lake City.
NOVEL: https://novel.utah.edu/
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Aberrant Regeneration of the Right Pupil | Aberrant regeneration of the right pupil in a man with a large intracavernous sinus meningioma causing a pupil-involving, incomplete third cranial nerve palsy. His pupil is round when he gazes straight ahead (top). When he tries to rotate the eye medially, the pupil constricts, but a segment of the ... | Image |
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Amsler Grid Testing | Demonstration of Amsler Grid examination. | Text |
| 3 |
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An Enhancing Bladder Metastasis Involving the Tectum of the Midbrain | Magnetic resonance image of an enhancing bladder metastasis involving the tectum of the midbrain of a 56-year-old man who developed double vision resulting from skew deviation and divergence insufficiency. He also had a left-sided relative afferent pupillary defect measuring 1.4 log units but showed... | Image |
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Anatomy of the Oculosympathetic Pathway | Anatomy of the oculosympathetic pathway. (Maloney WF, Younge BR, Moyer NJ: Evaluation of the causes and accuracy of pharmacologic localization in Horner's syndrome. Am J Ophthalmol 1980;90:394-402, Ophthalmic Publishing Company with permission.) | Image |
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Anatomy of the Pupillary Light Reflex Pathway | Anatomy of the pupillary light reflex pathway. (Miller NR: Walsh And Hoyt's Clinical Neuro-Ophthalmology, p 421. Vol 2, 4th ed. Baltimore: Williams & Wilkins, 1985, with permission.) | Image |
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Argyll Robertson Pupils | Argyll Robertson pupils in an elderly man treated for tabes dorsalis in 1952. His pupils are small and slightly irregular, constrict poorly in response to light stimulation (top), dilate poorly in darkness (middle), but constrict promptly in response to near stimulation (bottom). | Image |
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Assessment of an Afferent Pupillary Defect When Only One Iris is Functional | Assessment of an afferent pupillary defect when only one iris is functional. In this example, a right-sided parasellar tumor is compressing both the optic and oculomotor nerves, causing an optic neuropathy and a pupil-involving third crainial nerve palsy. The pupil on the affected side has both an a... | Image |
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Basic Eye Alignment Exam | Demonstration of basic eye alignment examination. Includes: a. Tools b. Cover-Uncover and SPCT c. Alternate Cover and APCT d. Maddox Rod Testing | Image/MovingImage |
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Bilateral Iris Colobomas (B) | Bilateral iris colobomas. B. Bilateral colobomatous defects of the inferonasal retina (black arrows) are also present, as shown in the right eye. | Image |
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Color Vision Testing | Demonstration of color vision examination. | Text |
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Cone Dystrophy | PPT covering Cone Dystrophy - An inherited degeneration that presents between 10 - 30 years of age. Symptoms are decreased visual acuity, poor color vision, and sometimes light sensitivity. | Text |
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The Course of the Postganglionic Segment of the Oculosympathetic Fibers from the Internal Carotid Artery | The course of the postganglionic segment of the oculosympathetic fibers from the internal carotid artery (ICA) to the orbit is depicted as a dotted line. Note that they briefly join the abducens nerve (cranial nerve VI) before joining the nasociliary branch of the of the ophthalmic division of the t... | Image |
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Enhanced Mydriasis in Response to Hydroxyamphetamine | Enhanced mydriasis in response to hydroxyamphetamine in a 77-year-old woman with a long-standing, preganglionic, right-sided Horner's syndrome that occurred following cervical neck dissection for thoracic outlet syndrome 30 years earlier. Miosis of the right pupil is apparent in room light (top). Th... | Image |
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Flow Chart for Sorting Out Anisocoria - Bright Light and Darkness | Flow chart for sorting out anisocoria based initially on how it is influenced by bright light and darkness. | Image |
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Flow Chart for Sorting Out Anisocoria - Direct Light Reaction of the Pupil | Flow chart for sorting out anisocoria based initially on the integrity of the direct light reaction of the pupil. | Image |
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Fusional Vergence Amplitudes | Demonstration of fusional vergence amplitudes examination. Incluudes: a. Convergence Amplitudes b. Divergence Amplitudes c. Vertical Ampitudes | Text |
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Glaucoma: The Basics | Glaucoma is the most common optic neuropathy. Progressive cupping of the optic disc due to increased intraocular pressure together with visual field abnormalities and local disc susceptibility factors characterize this neuropathy. This PowerPoint lecture covers the basics of Glaucoma and includes ma... | Text |
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Hand-held Equipment Used to Measure a Relative Afferent Pupillary Defect | Hand-held equipment used to measure a relative afferent pupillary defect and to record pupil sizes. Four neutral density filters (0.3, 0.6, 0.9, 1.2 log units) are conveniently carried in a soft cloth carrying pouch. A bright light source (a Finhoff model illuminator is shown here) is ideal for stim... | Image |
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Left-sided Dilation Lag in a Man with Horner's Syndrome | Left-sided dilation lag in a 29-year-old man with Horner's syndrome caused by a posterior mediastinal ganglioneuroma. Note that the degree of anisocoria is greater after 5 seconds in darkness (top) compared with findings after 15 seconds in darkness (bottom). | Image |
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Left-sided Horner's Syndrome with an Acquired Preganglionic Localization | Left-sided Horner's syndrome in a 12-year-old girl with an acquired preganglionic localization based on clinical and pharmacologic testing. The cause remained undetermined after extensive radiologic investigations. Left-sided ptosis and miosis are evident in room light (top), and the degree of aniso... | Image |
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Left-sided Internal Carotid Artery Dissection | Left-sided internal carotid artery dissection identified on T-1 weighted magnetic resonance image from a 52-year-old man who suddenly developed left-sided neck and orbital pain along with a droopy left upper eyelid while dragging a deer out of the woods during hunting season. The normal dark flow vo... | Image |
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Light-near Dissociation | Light-near dissociation in a 51-year-old woman with multiple sclerosis who experienced double vision for 1 week. Her pupils are 5 mm in diameter in room light (top), react poorly in response to direct light reaction (middle), but constrict promptly in response to near stimulation (bottom). She also ... | Image |
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Location of Pupillomotor Fibers | Location of pupillomotor fibers are depicted as dark regions on cross-sections of the right (R) and left (L) oculomotor nerve at various locations along its course, including its emergence from the brain stem in the interpeduncular fossa (1), the midsubarachnoid segment (2), the level of the dorsum ... | Image |
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The Normal Pupillary Light Reflex | The normal pupillary light reflex is initiated following exposure to light. After a brief latency, both the right (solid line) and left (broken line) pupil constrict, then undergo a small amount of redilation (escape), followed by oscillations (hippus) if the light is sustained. Hippus is not a path... | Image |
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Pathophysiology of Signs Associated with a Tonic Pupil | Pathophysiology of signs associated with a tonic pupil. Normally, all parasympathetic fibers of the third cranial nerve synapse in the ciliary ganglion (top). Most postganglionic fibers innervate the ciliary muscle (dashed lines). After injury to the ciliary ganglion, the pupil becomes denervated an... | Image |