期刊
INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
卷 54, 期 5, 页码 3673-3680出版社
ASSOC RESEARCH VISION OPHTHALMOLOGY INC
DOI: 10.1167/iovs.12-10672
关键词
geographic atrophy; adaptive optics; infrared imaging; retinal pigment epithelium
资金
- French Agence Nationale de la Recherche [ANR-07-LVIE-001, ANR-09-TECS-009-01]
PURPOSE. To report the findings of en face adaptive optics (AO) near infrared (NIR) reflectance fundus flood imaging in eyes with geographic atrophy (GA). METHODS. Observational clinical study of AO NIR fundus imaging was performed in 12 eyes of nine patients with GA, and in seven controls using a flood illumination camera operating at 840 nm, in addition to routine clinical examination. To document short term and midterm changes, AO imaging sessions were repeated in four patients (mean interval between sessions 21 days; median follow up 6 months). RESULTS. As compared with scanning laser ophthalmoscope imaging, AO NIR imaging improved the resolution of the changes affecting the RPE. Multiple hyporeflective clumps were seen within and around GA areas. Time-lapse imaging revealed micrometric-scale details of the emergence and progression of areas of atrophy as well as the complex kinetics of some hyporeflective clumps. Such dynamic changes were observed within as well as outside atrophic areas. CONCLUSIONS. In eyes affected by GA, AO NIR imaging allows high resolution documentation of the extent of RPE damage. This also revealed that a complex, dynamic process of redistribution of hyporeflective clumps throughout the posterior pole precedes and accompanies the emergence and progression of atrophy. Therefore, these clumps are probably also a biomarker of RPE damage. AO NIR imaging may, therefore, be of interest to detect the earliest stages, to document the retinal pathology and to monitor the progression of GA. (ClinicalTrials.gov number, NCT01546181.)
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据