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TitleDescriptionCreator
1 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
2 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
3 Incipient Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION)A 61-year old white man with hypertension, diabetes, and dyslipidema was seen in neuro-ophthalmology consultation for asymptomatic right optic disc edema. He had a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1). He had normal visual function including normal 24-2 SITA...Jonathan A. Micieli, MD; Valérie Biousse, MD
4 Junctional Scotoma from a Sellar MassThis is a case of a 55-year-old woman presenting with gradual painless vision loss in both eyes. Although visual acuity was 20/20 in both eyes, there was a left relative afferent pupillary defect and diffuse pallor of both optic nerves (Figure 1). Visual fields (24-2 SITA-Fast) showed a temporal def...Jonathan A. Micieli, MD; Valérie Biousse, MD
5 MRI Findings in Optic Nerve and Chiasmal Glioma in ChildhoodMultiple cases of optic pathway gliomas are demonstrated using MRI imaging. The optic pathway gliomas are identified at multiple points in the optic pathways. Figure 1 : Patient 1: Axial orbital MRI (T1 postcontrast with fat suppression) showing thickening and enhancement of the right optic nerve a...Jason Peragallo, MD; Valérie Biousse, MD
6 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
7 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
8 Internal Carotid Artery / Posterior Communicating Artery Aneurysm with Third Nerve Palsy Shown on CT AngiogramInternal Carotid Artery / Posterior Communicating Artery Aneurysm with Third Nerve Palsy Shown on CT Angiogram ; anatomic description of vascular and bony findings on the CTA. - Figure 1 : 51 year-old man complaining of painful binocular diplopia. Orange arrows indicate the direction of gaze. In p...Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD
9 Incipient Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION) Evolving to Symptomatic NAIONA 54-year old woman with hypertension was seen in neuro-ophthalmology consultation for asymptomatic left optic disc edema. She had a small, crowded optic disc in the right eye known as a "disc-at-risk" (Figure 1). Her visual function including 24-2 SITA-Fast Humphrey visual fields were normal in bot...Jonathan A. Micieli, MD; Valérie Biousse, MD
10 Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION) With Segmental Optic Disc EdemaA 75-year old white woman with hypertension and diabetes presented with a 1 week history of vision loss in the right eye. Dilated fundus examination revealed superior segmental optic disc edema in the right eye and a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1). Int...Jonathan A. Micieli, MD; Valérie Biousse, MD
11 Vitreopapillary TractionA 64-year-old woman was referred for bilateral optic disc edema. Examination of her optic nerves showed indistinct margins at the nasal aspect of both eyes (Figure 1). Humphrey 24-2 SITA-Fast visual fields showed non-specific depressed points in both eyes (Figure 2). Optical coherence tomography (...Jonathan A. Micieli, MD; Valérie Biousse, MD
12 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
13 Superior Segmental Optic Nerve HypoplasiaThis is a case of superior segmental optic nerve hypoplasia in a woman with a history of maternal diabetes. A 25 year-old woman noticed a visual field defect in her right eye. Her examination showed: visual acuity: 20/20 OD, 20/20 OS; pupils: trace relative afferent pupillary defect OD; color visi...Naa Naamuah M. Tagoe, MBChB, FWACS, FGCS; Rahul A. Sharma, MD, MPH; Valérie Biousse, MD; Nancy J. Newman, MD
14 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
15 Nonfunctiong Pituitary Adenoma with Chiasmal CompressionThis is a case of large non-functioning pituitary adenoma with mass effect on the optic chiasm inducing loss of optic nerve fibers and subsequent visual field. Figure 1: Fundus photographs demonstrating bilateral temporal optic nerve head pallor Figure 2: Humphrey visual fields demonstrating a bitem...William Pearce, MD; Valérie Biousse, MD
16 Sequential Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION)A 68-year old woman with hypertension, obstructive sleep apnea and obesity was seen in neuro-ophthalmology consultation for vision loss in the right eye. She had right optic disc edema with a small optic disc hemorrhage a small, crowded optic disc in the left eye known as a "disc-at-risk" (Figure 1)...Jonathan A. Micieli, MD; Valérie Biousse, MD
17 Typical Idiopathic Optic NeuritisThis is a case of a typical optic neuritis in a 41-year-old woman presenting with vision loss and pain with eye movements in the right eye. Optic disc photos at presentation showed subtle hyperemia in the right eye (Figure 1) and optical coherence tomography (OCT) of the retinal nerve fiber layer (R...Jonathan A. Micieli, MD; Valérie Biousse, MD
18 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
19 Large Sellar and Suprasellar Mass (Pituitary Macroadenoma) With Left Third Nerve Palsy and Left Optic Tract CompressionA case of a large sellar and suprasellar pituitary macroadenoma with an associated left third nerve palsy and left optic tract compression. Images from an MRI of the brain with contrast illustrate the imaging characteristics and extent of the tumor. Figure 1 : Humphrey Visual Fields (24-2 SITA-Fast)...Devin D. Mackay, MD; Valérie Biousse, MD
20 Toxoplasmic Chorioretinitis with Unilateral Disc EdemaA 53-year-old man had a history of high myopia and a seronegative spondyloarthropathy treated with immunosuppressive agents. He presented with mild, painless vision loss in his right eye. His examination showed findings of a right anterior optic neuropathy: visual acuity: 20/20 OD (right eye), 20/20...Rahul A. Sharma, MD, MPH; Nancy J. Newman, MD; Valérie Biousse, MD
21 Ganglion Cell Layer Analysis by Optical Coherence Tomography (OCT)A normal optical coherence tomography (OCT) of the macula is shown (Figure 1) and the various layers of the retina are labelled (Figure 2). The cell bodies of retinal ganglion cells (RGC) are located in the ganglion cell layer (GCL) of the retina and mostly synapse in the lateral geniculate nucleus ...Jonathan A. Micieli, MD; Valérie Biousse, MD
22 Anatomy of the Orbits on CT and MRIMRI and CT imaging of the orbit.Valérie Biousse, MD
23 Choroidal Hypoperfusion Defect in Giant Cell ArteritisHere, we present a case of a 62 year-old male with vision loss in the right eye, headaches, and neck/shoulder/temporal pain, found to have choroidal hypoperfusion and diagnosed with giant cell arteritis (GCA). In combination with anterior ischemic optic neuropathy and cotton wool spots, choroidal hy...Nithya Shanmugam; Michael Dattilo; Valerie Biousse
24 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
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