期刊
INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
卷 57, 期 9, 页码 OCT356-OCT361出版社
ASSOC RESEARCH VISION OPHTHALMOLOGY INC
DOI: 10.1167/iovs.15-18473
关键词
laser photocoagulation; OCT angiography
资金
- Massachusetts Lions Club
- Macular Vision Research Foundation
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (Capes) Foundation, Ministry of Education of Brazil, Brasilia, Distrito Federal Brazil
- Carl Zeiss Meditec
- Optovue
- Topcon Medical Systems, Inc.
PURPOSE. To utilize optical coherence tomography (OCT) and OCT angiography (OCTA) to describe alterations in the retinal and choriocapillaris vasculature following remote laser photocoagulation. Lesions are classified on the basis of choriocapillaris alteration as evaluated on en face OCTA. METHODS. This was a retrospective, cross-sectional study analyzing 28 laser photocoagulation scars from 8 patients treated for diabetic macular edema. All eyes were analyzed using a combination of OCTA, en face and cross-sectional OCT, and fundus photography. Two masked readers scored images for alterations at the level of the retinal pigment epithelium (RPE), choroid, and choriocapillaris. Laser photocoagulation lesions were classified as deep if choriocapillaris alteration was present on OCTA; lesions were classified as superficial if no choriocapillaris alteration was present on OCTA. RESULTS. Optical coherence tomography angiography was found to be useful for evaluation of choriocapillaris alteration underlying regions of laser scarring. Of the 28 analyzed laser scars, 13 were classified as superficial and 15 were classified as deep. CONCLUSIONS. Optical coherence tomography angiography can be used to visualize choriocapillaris alterations associated with focal laser photocoagulation treatment.
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