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TitleDescriptionCreator
1 Ophthalmic Artery AneurysmSlideshow describing ophthalmic artery aneurysm with MRI imaging.Valérie Biousse, MD
2 Choroidal Neovascular Membrane in Chronic PapilledemaA 21-year-old woman with papilledema from idiopathic intracranial hypertension developed a peripapillary choroidal neovascular membrane (PCNVM) complicating untreated chronic papilledema 10 years later.George Alencastro; Valerie Biousse
3 Colloid Cyst HydrocephalusThis is a case of colloid cyst of the third ventricle complicated by severe hydrocephalus, raised intracranial pressure and papilledema. Figure 1: Fundus photographs demonstrating bilateral optic nerve head edema Figure 2a and 2b: T1-weighted axial brain MRI without contrast: Dilation of both later...Rabih Hage, MD; Valérie Biousse, MD
4 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
5 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
6 Macular Star in the Setting of NeuroretinitisNeuroretinitis is often inflammatory or infectious in nature. Here, we present a case of Bartonella neuroretinitis and a typical finding of a unilateral "macular star" on color fundus photographs and OCT. The macular star usually appears 1-2 weeks after infection, and is secondary to exudates accumu...Nithya Shanmugam; Valerie Biousse
7 NeurosarcoidosisThis is an illustrated guide to the clinical diagnosis of neurosarcoidosis. Sarcoidosis is a chronic systemic inflammatory disorder characterized by non-caseating granulomas. It can affect multiple organ systems including the lungs, skin, orbit, and brain. When there is central nervous system (CNS) ...Bryce Buchowicz, MD; Valérie Biousse, MD
8 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
9 Second Order Horner Syndrome Revealing Metastatic Squamous Cell CarcinomaHorner Syndrome is secondary to a lesion of the ipsilateral sympathetic pathway and is associated with ptosis, miosis, and anhidrosis. Here, we present a unique presentation of metastatic squamous cell carcinoma in a patient with a right-sided Horner Syndrome (second order). We also highlight the di...Nithya Shanmugam; Michael Dattilo; Valerie Biousse
10 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
11 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
12 Optic Nerve Head Granuloma from SarcoidosisWe present a case of optic neuropathy with optic nerve head granuloma as the presenting sign of neurosarcoidosis. Initial patient presentation was notable for a chronic cough and worsening of vision in the left eye. Subsequent imaging revealed multiple brain lesions and the presence of a subcarinal ...Nithya Shanmugam; Valerie Biousse
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