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Title | Description | Type |
101 |
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Dysthyroid Optic Neuropathy: A Preventable Cause of Blindness | Dysthyroid Optic Neuropathy (DON) is a treatable cause of visual loss in ~5% of pts w/ ted. Monitor closely those pts with risk factors (proptosis, tight orbit, restricted motility, strabismus, smoker, diabetic). Oral prednisone is often effective, but frequent relapses after tapering. Orbital xrt ... | Text |
102 |
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The Electro-oculogram: Clinical Applications | The electrooculogram measures the potential that exists between the cornea and Bruch's membrane at the back of the eye. The potential produces a dipole field with the cornea approximately 5 millivolts positive compared to the back of the eye, in a normally illuminated room. Although the origin of th... | Text |
103 |
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The Electroretinogram and Electro-oculogram: Clinical Applications | The global or full-field electroretinogram (ERG) is a mass electrical response of the retina to photic stimulation. The ERG is a test used worldwide to assess the status of the retina in eye diseases in human patients and in laboratory animals used as models of retinal disease. | Text |
104 |
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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 |
105 |
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Exophthalmometry | Demonstration of exophthalmometry examination. | Text |
106 |
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Facial Myokymia Unilateral | Example of patient with facial myokymia, a disorder of the seventh nerve, probably due to brain stem involvement. Patient has multiple sclerosis. Discussion of characteristics, such as continuous, undulating, contractions in the distribution of the seventh nerve, and a spreading of these movements t... | Image/MovingImage |
107 |
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Facial Nerve Exam | Explanation of a facial nerve exam. | Image/MovingImage |
108 |
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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 |
109 |
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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 |
110 |
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Fluoresein Angiography | Comprehensive description of using fluoresein angiography in examinations. | Text |
111 |
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Flutter in Downgaze | Examination of patient with flutter in downgaze (no audio) | Image/MovingImage |
112 |
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Fourth Nerve Palsy | Demonstration of examination of patient who experienced blurry vision and pain in the left eye. Demonstrates checking of eye movements, focusing on object while each eye is covered and uncovered, turning head both ways and repeating. Shows limitation of depression in adduction of left eye, left hype... | Image/MovingImage |
113 |
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Fusional Vergence Amplitudes | Demonstration of fusional vergence amplitudes examination. Incluudes: a. Convergence Amplitudes b. Divergence Amplitudes c. Vertical Ampitudes | Text |
114 |
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Gaze Palsy with Facial Weakness from Pontine AVM | Example of a patient with torsional nystagmus in both eyes and pendular nystagmus in the left eye. Patient is led through instructions for direction of gaze. | Image/MovingImage |
115 |
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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 |
116 |
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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 |
117 |
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Hemifacial Spasm | Example of patients with hemifacial spasm. First patient has a sequela of Bell's palsy, and is seen to have mainly clonic movements around the eye, with occasional tonic movements around the mouth. Second patient has a cerebellopontine angle epidurmoid tumor, and is seen to have movements around the... | Image/MovingImage |
118 |
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Herpes Zoster Ophthalmicus with Third Nerve Palsy | Images showing presentation of Herpes Zoster (Zoster Ophthalmicus). | Text |
119 |
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How to Measure the RAPD | This clip demonstrates the examination technique for measuring the Relative Afferent Pupillary Defect (RAPD). Demonstration of balancing an afferent papillary defect using filters in a patient with a resolving optic neuritis and an afferent papillary defect on the left. | Image/MovingImage |
120 |
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How to Use the Direct Ophthalmoscope in an Exam | Demonstration of using the direct ophthalmoscope to examine the optic disc. Covers hand placement , which eye to use, and distance from patient. | Image/MovingImage |
121 |
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Hydroxychloroquine Maculopathy (Plaquenil) | An overview of Chloroquine Maculopathy. | Text |
122 |
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Intermittent Square Wave Jerks | Patient with intermittent square wave jerks (no audio) | Image/MovingImage |
123 |
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Internuclear Ophthalmoplegia (2 Examples) | Two examples of patients with internuclear ophthalmoplegia. First patient has a right internuclear ophthalmoplegia. Patient had subacute bacterial endocarditis with a bacterial abscess in the brain stem. Ductions and gaze to the right look good, but when gazing to the left, the right eye does not ad... | Image/MovingImage |
124 |
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Introduction to Fogging Refraction | An introduction to fogging refraction. | Image/MovingImage |
125 |
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Introduction to Headache, Migraine and Secondary Headaches | Video lecture covering an introduction to headache, migraine, and secondary headaches by Kathleen Digre, MD. | Image/MovingImage |