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TitleDescriptionCreator
51 Normal Retinal AnatomyNormal posterior vitreous, retinal and chroroidal anatomy (pictures, fluorescein angiography and optical coherence tomography). Figure 1: Normal fundus photograph of the left eye o a : Optic disc and fovea o b : Foveal reflex in young patients o c : Macular and foveal areas share the same center o d...Rabih Hage, MD; Valérie Biousse, MD
52 Occipital Hemorrhagic Infarction Secondary to Bacterial Endocarditis-Congruent Homonymous Scotomatous Hemianopic DefectMRI features of occipital hemorrhage secondary to bacterial endocarditis Figure 1 : Humphrey visual fields showing a congruent homonymous scotomatous hemianopic defect Figure 2 : axial gradient echo T2*w brain MRI Figure 3 : axial T1w and T2w brain MRI Figure 4 : axial postcontrast T1w brain MRISamuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
53 Occipital Infarction with Incomplete Congruent Homonymous HemianopiaCT appearance of a remote occipital infarction. Congruent homonymous hemianopia.Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
54 Occipital Pyogenic Abscess with Homonymous HemianopiaThis is a case of right occipital abscess with a left homonymous hemianopia. Number of Figures and legend for each: 8 figures Figure 1: Humphrey visual fields: Dense left homonymous hemianopia Figure 2: T2-weighted axial MRI : Round, hyperintense lesion (yellow arrow) in the right occipital lobe sur...Rabih Hage, MD; Valérie Biousse, MD
55 Ocular Fundus ExaminationReview of various techniques of ocular fundus examination, including direct ophthalmoscopy, binocular indirect ophthalmoscopy, slit lamp binocular indirect ophthalmoscopy, and fundus photography. Advantages and disadvantages of each technique are discussed.Devin D. Mackay, MD; Valérie Biousse, MD
56 Ocular Hypoperfusion from Severe Internal Carotid Artery Stenosis68 year-old man complaining of mildly decreased vision OD with fluctuation of vision throughout the day. Fluorescein angiography shows delayed choroidal and retinal fillings, suggesting hypoperfusion of the right eye.Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
57 Ophthalmic Artery AneurysmSlideshow describing ophthalmic artery aneurysm with MRI imaging.Valérie Biousse, MD
58 Optic Disc Edema and PseudoedemaA presentation covering how to approach optic disc edema, including clinical characteristics and the distinction of pseudoedema.Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
59 Optic Disc MelanocytomaA 26-year-old woman was seen for assessment of an asymptomatic optic nerve abnormality in her left eye. Her examination showed normal afferent visual function: visual acuity: 20/30 OD and 20/25 OS; PH 20/20 OU; pupils: no relative afferent pupil defect; color vision: 14/14 plates correct OU. Humphre...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
60 Optic Disc Pseudoedema Due to Leber Hereditary Optic NeuropathyA 23-year-old woman developed sequential painless central vision loss in both eyes (right eye 5 months ago and left eye 2 months ago). Her examination showed bilateral optic neuropathies: visual acuity: 20/300 eccentrically OU (no improvement with pinhole); pupils: equal and reactive with no relativ...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
61 Optic Nerve HypoplasiaThis is an illustrated guide to the clinical diagnosis of optic nerve hypoplasia. Optic nerve hypoplasia (ONH) is the most common congenital optic nerve anomaly, with an estimated incidence of 1 in 2287 live births. It may present unilaterally or bilaterally. It is seen in isolation or in associati...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
62 Optic Nerve Sheath MeningiomaThis is a case of an optic nerve sheath meningioma (ONSM) in a 56-year-old woman who presented with gradual, painless vision loss in her left eye. Optic disc photos at presentation showed temporal pallor of the left optic nerve (Figure 1) and Cirrus optical coherence tomography (OCT) of the retinal ...Jonathan A. Micieli, MD; Valérie Biousse, MD
63 Optical Coherence Tomography of the Retinal Nerve Fiber LayerA normal optical coherence tomography (OCT) of the macula is shown highlighting the position of a single retinal ganglion cell and its axon in the retinal nerve fiber layer (Figure 1). The topographical relationship of retinal ganglion cells in the retina to the visual field and position in the ante...Jonathan A. Micieli, MD; Valérie Biousse, MD
64 Orbital and Cavernous Sinus Involvement by Herpes Zoster OphthalmicusA single case of the effects of herpes zoster is demonstrated using external photographs and MRI imaging. The effects demonstrated include the typical dermatomal rash as well as extraocular muscle invovlement and cavernous sinus involvement. Figure 1 : External photograph of dermatomal rash and s...Jason Peragallo, MD; Valérie Biousse, MD
65 Osseous Anatomy of the Optic CanalsAnatomic study of the optic canals using 3D reconstruction of CT scan images. Figure 1 : Orbital canal seen through the orbit Figure 2 : Optic canal seen from the intracranial side (1) Figure 3 : Optic canal seen from the intracranial side (2) Figure 4 : Optic canal : axial plane Figure 5 : Optic c...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
66 Posterior Cerebral Artery Infarction from Vertebral Artery DissectionRight posterior cerebral artery ischemic infarction due to post traumatic (martial arts) left vertebral artery dissection with resulting right PCA occlusion. Left homonymous hemianopia due to right occipital lobe infarction and left hemisensory loss due to right thalamic infarction. Imaging of the a...Kristen Hudson, MD; Valérie Biousse, MD
67 Posterior Circulation Infarctions Secondary to a Post Traumatic Vertebral Artery DissectionA case of a young man with a vertebral artery dissection that caused multiple posterior circulation brain infarcts. Images from an MRI of the brain, digital subtraction angiography, and Humphrey visual fields are included. Figure 1 : Humphrey visual fields showed a right homonymous hemianopia with ...Devin D. Mackay, MD; Valérie Biousse, MD
68 Previous Branch Retinal Artery OcclusionThis is a typical case of an old branch retinal artery occlusion in a 64 year old woman presenting with persistent monocular vision loss. She had sudden onset of painless vision loss in the inferior field of her left eye approximately one year prior. Her past medical history was significant for atri...Benson S. Chen, MBChB FRACP; Valérie Biousse, MD
69 Pulsatile Proptosis ProfileSee the PowerPoint description for Pulsatile Proptosis From Sphenoid Wing Hypoplasia in Neurofibromatosis Type 1 at: http://content.lib.utah.edu/cdm/ref/collection/ehsl-eec/id/64 See also Pulsatile Proptosis Full Face video: http://content.lib.utah.edu/cdm/ref/collection/ehsl-eec/id/14Valérie Biousse, MD
70 Pulsatile Proptosis from Sphenoid Wing Hypoplasia in Neurofibromatosis Type 1Clinical and radiologic features of greater wing sphenoid hypoplasia in the setting of neurofibromatosis type 1. Figure 1 : slit lamp examination showing Lisch nodules; Figure 2 : orbit CT scan (1); Figure 3 : orbit CT scan (2) with annotations. For visual examples of this disorder, please see the...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
71 Radiologic Appearance of Unilateral Sphenoid Wing Hypoplasia in Neurofibromatosis Type IMRI features of greater wing sphenoid hypoplasia in the setting of neurofibromatosis type 1. - Figure 1 : Orbital MRI with contrast showing right greater sphenoid wing hypoplasia. The lack of bone tissue leads to herniation of the right temporal lobe into the orbit, pushing forward the orbital conte...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
72 Rathke's Cleft Cyst Apoplexy with Junctional ScotomaMRI features of Rathke's cleft cyst apoplexy. - Figure 1 : Humphrey visual fields at initial presentation - Figure 2 : Brain MRI without contrast at initial presentation - Figure 3 : Brain MRI with contrast at initial presentation - Figure 4 : Postoperative Humphrey visual fieldsSamuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
73 Retrograde Trans-Synaptic Degeneration from a Longstanding Occipital Lobe TumorThis is an illustrated guide that (1) discusses the localization of paracentral homonymous hemianopic scotomatous visual field defects and (2) discusses the concept of trans-synaptic retrograde degeneration. A 43-year-old woman was assessed for longstanding blurred vision in both eyes. Her examinati...Rahul A. Sharma, MD, MPH; Valérie Biousse, MD
74 Right Lateral Mediullary Syndrome (Wallenberg Syndrome) With Lateropulsion and Ocular Tilt ReactionA 55-year old man presented with acute onset right-sided facial numbness, left-sided body numbness, vertigo, right ptosis, and binocular vertical diplopia. External examination showed right ptosis and miosis indicating a right Horner syndrome (Figure 1). He had gaze-evoked nystagmus only on right g...Jonathan A. Micieli, MD; Valérie Biousse, MD
75 Sellar Aneurysm with Chiasmal CompressionThis is a case of aneurysm of the internal carotid artery, invading the sella and complicated by chiasmal compression and bitemporal hemianopia. Figure 1 : Humphrey visual fields (gray scale and pattern deviations) Figure 2a : T1-weighted axial brain MRI (1): well defined circular intracerebral mass...Rabih Hage, MD; Valérie Biousse, MD
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