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Title: Ocular manifestations of dengue fever
Authors: Lim, W.-K.
Mathur, R.
Koh, A.
Yeoh, R.
Chee, S.-P. 
Issue Date: Nov-2004
Citation: Lim, W.-K., Mathur, R., Koh, A., Yeoh, R., Chee, S.-P. (2004-11). Ocular manifestations of dengue fever. Ophthalmology 111 (11) : 2057-2064. ScholarBank@NUS Repository.
Abstract: Purpose To evaluate ocular manifestations associated with dengue fever. Design Retrospective case series and literature review. Methods Clinical records of patients with dengue fever who subsequently had ocular symptoms and signs develop were reviewed. The clinical presentation and ocular complications were evaluated. Results Six patients, 5 females and 1 male, were seen with a sudden decrease in vision 6 to 7 days after the initial manifestations of dengue fever were identified. The diagnosis was confirmed by detection of dengue-specific IgM antibodies (IgM enzyme-linked immunoassay). The presenting best-corrected visual acuity ranged from 20/30 to counting fingers, and ocular involvement was bilateral but asymmetric in 5 cases and unilateral in 1 case. Fundus findings included small, intraretinal, whitish lesions, with localized retinal and retinal pigment epithelium (RPE) disturbance, small dot hemorrhages, and vascular sheathing around the macula and the papillomacular bundle. Fluorescein angiography showed arteriolar focal knobby hyperfluorescence at the macula with mild staining of the vascular walls and leakage at the level of the RPE. All 5 cases that had indocyanine green angiography done showed early diffuse choroidal hyperfluorescence with late silhouetting of the larger choroidal vessels. Five patients received steroid therapy: 1 topical, 2 periocular, and 2 oral. Over 2 to 4 months, RPE discoloration was observed over the affected areas. After the acute episode, 3 patients showed partial recovery of vision, and in the remaining patients, the visual acuity remained stable. Conclusions Ocular complications associated with dengue fever are rare but may result in permanent visual impairment. © 2004 by the American Academy of Ophthalmology.
Source Title: Ophthalmology
ISSN: 01616420
DOI: 10.1016/j.ophtha.2004.03.038
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