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9 papers 25 to 100 followers
By Faye Kehler Family Physician and GP Anesthetist since 1987 interested in all aspects of Medicine
Ng Hong-Kee, Chong Mei-Fong, Yaakub Azhany, Embong Zunaina
Systemic lupus erythematosus (SLE) is a chronic, multisystem, autoimmune disease that can affect any part of the human body including the eyes. Common blinding ocular manifestations include central retinal artery occlusion (CRAO), central retinal vein occlusion (CRVO), severe vaso-occlusive retinopathy, and optic nerve involvement. Antiphospholipid syndrome (APS) in lupus is usually associated with large vessel occlusions and needs prompt treatment with anticoagulant. We are reporting two cases of APS in SLE patients that presented with CRVO (case 1) and vaso-occlusive lupus retinopathy (case 2)...
2014: Clinical Ophthalmology
Andrew W Francis, Jennifer I Lim, Felix Y Chau
No abstract text is available yet for this article.
November 2014: JAMA Ophthalmology
Anasuya Das, Duje Tadin, Krystel R Huxlin
Damage to the primary visual cortex (V1) or its immediate afferents results in a dense scotoma, termed cortical blindness (CB). CB subjects have residual visual abilities, or blindsight, which allow them to detect and sometimes discriminate stimuli with high temporal and low spatial frequency content. Recent work showed that with training, discriminations in the blind field can become more reliable, and even reach consciousness. However, the narrow spatiotemporal bandwidth of blindsight limits its functional usefulness in everyday vision...
August 27, 2014: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Simon Faissner, Christine Grunwald, Saskia H Meves, Ralf Gold, Christos Krogias
No abstract text is available yet for this article.
April 29, 2014: Neurology
M Moreno, A M Vazquez, R Dominguez, M Rosas
CASE REPORT: We describe a case of a young patient with bilateral optic disc drusen, who in the course of 10 months, had a sudden visual field constriction in the right eye accompanied by moderate loss of vision, corresponding to the ophthalmological examination of changing from hidden to visible drusen. DISCUSSION: The optic disk drusen are a fairly common disorder that is mainly considered as a benign disorder due to the low frequency of complications that appear during their course...
August 2014: Archivos de la Sociedad Española de Oftalmología
Joseph R Pare, Yan Guo, Elissa M Schechter-Perkins
Acute vision loss is frightening to patients and may represent serious pathology that is irreversible if not intervened upon quickly. We present a case of a 36-year-old man with sudden onset of unilateral painless central visual disturbance described as flashes of light. His emergency department examination was normal, and an ophthalmologic consult found fluid accumulation in the subretinal space on optical coherence tomography, confirming a diagnosis of central serous chorioretinopathy. Central serous chorioretinopathy is a poorly understood disease associated with type A personality and elevated glucocorticoids...
April 2014: American Journal of Emergency Medicine
Junko Matsuyama, Masahiro Ichikawa, Tomoyoshi Oikawa, Taku Sato, Yugo Kishida, Keiko Oda, Takuya Maeda, Masayuki Yamada, Yosuke Kuromi, Yuka Matsumoto, Hitoshi Ando, Jun Sakuma, Kiyoshi Saito
We report 2 cases of primary central nervous system (CNS) lymphoma arising in the region of the optic nerve. For both patients, diagnosis of lymphoma was impossible without histological examination because of the rarity of the lymphoma location. The first case involved an 84-year-old woman who developed loss of vision and hypopituitarism. Intraoperative finding was optic glioma; histological diagnosis was diffuse large B cell lymphoma, however. The second case involved a 67-year-old man who developed loss of vision...
July 2014: Brain Tumor Pathology
Nicolas Burra, Alexis Hervais-Adelman, Dirk Kerzel, Marco Tamietto, Beatrice de Gelder, Alan J Pegna
Cortical blindness refers to the loss of vision that occurs after destruction of the primary visual cortex. Although there is no sensory cortex and hence no conscious vision, some cortically blind patients show amygdala activation in response to facial or bodily expressions of emotion. Here we investigated whether direction of gaze could also be processed in the absence of any functional visual cortex. A well-known patient with bilateral destruction of his visual cortex and subsequent cortical blindness was investigated in an fMRI paradigm during which blocks of faces were presented either with their gaze directed toward or away from the viewer...
June 19, 2013: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Yang Wang
No abstract text is available yet for this article.
November 2011: Annals of Emergency Medicine
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