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TitleCreatorDescriptionSubject
176 Clivus ChordomaShirley H. Wray, MD, PhD, FRCPSlideshow describing condition.Abduction Weakness; Clivus Chordoma; Esotropia; Sixth Nerve Palsy
177 Clivus_ChordomaShirley H. Wray, MD, PhD, FRCPThis 46 year old patient had at age 6, a tendency for the left eye to wander out. Her face photograph at that age shows an exotropia and at age 7, a year later, the exotropia was not quite as prominent. It was assumed that the exotropia was due to a non-paralytic strabismus. Past History: At age 1 f...Esotropia; Abduction Weakness; Sixth Nerve Palsy; Clivus Chordoma; Chordoma
178 Cogan Lid TwitchHari Anandarajah, BAA 50-year-old woman presented with ptosis of her left eyelid for 6 months. Several exam findings including variable and fatigable ptosis, and Cogan lid twitch, raised suspicion for Myasthenia Gravis. Acetylcholine receptor binding, blocking, and modulating antibodies were negative, and single fiber ...Lid Twitch; Myasthenia Gravis
179 Cogan's Lid Twitch SignRaed Behbehani, MDCogan's lid twitch sign is a twitch sign of he upper lid upon looking straight from a sustained downgaze position. It is associated with Ocular Myasthenia Gavis.Myasthenia; Ptosis; Lid Twitch
180 Common Patterns of Visual Field DefectsSean Gratton, MD; Sarah Lam, 6th year BA/MDLecture covering common visual field defects, including those of the retina, optic nerve, chiasm, and retrochiasmal.Visual Field Defects
181 Common Vitreo-Retinal Procedures and SurgeriesLuke B. Lindsell, OD, MDBrief presentation on Common vitreo-retinal procedures and surgeries.Vitreo-Retinal Procedures; Surgeries
182 Comparison of the Motor Systems: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDA comparison of the three major motor systems focuses on categorizing motor problems as corticospinal tract, cerebellar, or basal ganglia. It begins with 12 minutes of gross anatomical structures and pathway review followed by clinical video clips demonstrating clinical features of disease of each o...Corticospinal Tract; Cerebellar; Basal Ganglia; Motor Systems; Brain; Dissection
183 Complications of Strabismus Surgery and BotoxW. Walker Motley, MDA narrated video slideshow outlining complications associated with strabismus surgery.Strabismus; Surgery; Surgical Complications; Botox
184 Computed Tomography (CT)Devin D. Mackay, MDExplantation of computed tomography (CT) examinations.Computed Tomography (CT)
185 Computed Tomography (CT): Principles, Technique, and Neuro-ophthalmic ApplicationsAlex Fraser, MDPresentation covering Computed Tomography principles, adverse effects, comparison vs. MRI, and assorted examples of neuro-ophthalmic interest.Computed Tomography (CT)
186 Cone DystrophyGregory P. Van Stavern, MDPowerPoint discussing Cone Dystrophy: Early loss of central and color vision; Color impairment often out of proportion to loss of VA; Hemeralopia ("day blindness") prominent; Light sensitivity and photophobia; Macular changes variable, and may occur late- may "Bull's Eye" pattern; Abnormal Photost...Cone Dystrophy; Occult Macular Dystrophy; Central Cone Dystrophy
187 Confrontation Visual Fields - A Concise Guide for Ophthalmology and Neurology TraineesStephen C. Pollock, MDThe guide describes the techniques required to competently perform confrontation visual fields. It outlines a basic screening protocol and discusses methods for further defining defects identified during the screening process. A mini-atlas of visual field defects is included as an appendix.Confrontation Visual Fields; Visual Field Testing; Perimetry; Visual Field Loss; Visual Field Defect; Ocular Examination; Visual Sensory Evaluation; Neurologic Examination
188 Congenital Horizontal Gaze Palsy Progressive ScoliosisShirley H. Wray, MD, PhD, FRCPA PowerPoint slideshow describing the condition.Congenital Cranial Disinnervation Syndrome; Congenital Horizontal Gaze Palsy; Mutation of the ROBO 3 Gene on Chromosome 11q23-q25; Progressive Scoliosis
189 Congenital Horizontal Gaze Palsy, Progressive ScoliosisShirley H. Wray, MD, PhD, FRCPThe patient is an 8 year old boy with a rare autosomal recessive disorder characterized by congenital absence of conjugate horizontal eye movements preservation of vertical gaze and convergence and progressive scoliosis (HGPPS) developing in childhood. The child was referred to Dr. Cogan with a diag...Congenital Horizontal Gaze Palsy; Progressive Scoliosis; Mutation of the ROBO 3 Gene on Chromosome 11q23-q25; Congenital Cranial Disinnervation Syndrome; Mobius Syndrome
190 Congenital HydrocephalusMays El-Dairi, MDPresentation covering an overview of congenital hydrocephalus.Congenital Hydrocephalus
191 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
192 Congenital and Secondary SyphilisGregory P. Van Stavern, MDImages showing evideince of Congenital and Secondary SyphilisSyphilis
193 Conjunctiva Muller's Muscle ResectionPatrick Burchell, MD; Jeffrey Nerad, MDDemonstration of conjunctiva Muller's muscle resection (CMMR).Conjunctiva Muller's Muscle Resection; CMMR
194 Conjunctival ExaminationSovik De Sirkar, MSIII; Ore-ofe Adesina, MD,Description of the conjunctival examination.Conjunctival Examination
195 Constructional ApraxiaShirley H. Wray, MD, PhD, FRCPThe patient is a 72 year old right handed woman who presented in November 1995 with the sudden onset of impaired coordination of visual and motor skills following an inner right ear infection. One of her problems was difficulty sitting on a chair as she tended to place her body incorrectly. By late ...Dressing Apraxia; Apraxia of the Left Hand; Constructional Apraxia; Right Parietal Lobe; Progressive Lobar Atrophy; Degenerative CNS Disease; Apraxia
196 Constructional ApraxiaShirley H. Wray, MD, PhD, FRCPSlideshow describing condition.Apraxia of the Left Hand; Constructional Apraxia; Degenerative CNS Disease; Dressing Apraxia; Progressive Lobar Atrophy; Right Parietal Lobe
197 Contrast SensitivitySean Gratton, MDExplanation of contrast sensitivity.Contrast Sensitivity
198 Control of the Eye Movements: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDDisturbances in eye movements can provide important clues for localization of neurological damage. The role of the frontal eye fields in horizontal gaze is stressed. The need to coordinate cranial nerves on both sides of the brain stem introduces the medial longitudinal fasciculus and its role in co...Medial Longitudinal Fasciculus; Third Cranial Nerve; Sixth Cranial Nerve; Internuclear Ophthalmoplegia; Nystagmus; Brain; Dissection
199 Control of the Pupil: Neuroanatomy Video Lab - Brain DissectionsSuzanne S. Stensaas, PhDThrough diagrams, animations and gross specimens the constriction and dilation of the pupil by the autonomic nervous system are described. Both the parasympathetic and sympathetic control are traced and the importance of a constricted pupil, Horner's Syndrome, and temporal lobe (uncal) herniation (d...Brain; Dissections
200 Convergence InsufficiencyShirley H. Wray, MD, PhD, FRCPA PowerPoint slideshow describing the condition.Basal Ganglia; Blepharoclonus; Convergence Insufficiency; Parkinson's Disease- Dopamine deficiency; Saccadic Breakdown of Smooth Pursuit; Slow Hypometric Horizontal Saccades; Slow Hypometric Saccades
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