Shyamanga Borooah1, Vasileios Papastavrou2, Leonardo Lando3, Jonathan Han4, Jonathan H Lin5, Radha Ayyagari4, Baljean Dhillon6, Andrew C Browning2. 1. Centre for Clinical Brain Sciences, School of Clinical Sciences, University of Edinburgh, Edinburgh, United Kingdom; Shiley Eye Institute, University of California, San Diego, La Jolla, California. Electronic address: sborooah@health.ucsd.edu. 2. Newcastle Eye Centre, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom. 3. Shiley Eye Institute, University of California, San Diego, La Jolla, California; Department of Ophthalmology, Federal University of Goias, Goiania, Brazil. 4. Shiley Eye Institute, University of California, San Diego, La Jolla, California. 5. Shiley Eye Institute, University of California, San Diego, La Jolla, California; Departments of Ophthalmology and Pathology, Stanford University, Stanford, California; Veterans Affairs, Palo Alto Healthcare System, Palo Alto, California. 6. Centre for Clinical Brain Sciences, School of Clinical Sciences, University of Edinburgh, Edinburgh, United Kingdom.
Abstract
PURPOSE: To characterize the association of reticular pseudodrusen (RPD) with late-onset retinal degeneration (L-ORD) using multimodal imaging. DESIGN: Prospective, 2-center, longitudinal case series. PARTICIPANTS: Twenty-nine patients with L-ORD. METHODS: All patients were evaluated within a 3-year interval with near-infrared reflectance, fundus autofluorescence, and spectral-domain OCT. In addition, a subset of patients also underwent indocyanine green angiography, fundus fluorescein angiography, mesopic microperimetry, and multifocal electroretinography. MAIN OUTCOME MEASURES: Prevalence, topographic distribution, and temporal phenotypic changes of RPD in L-ORD. RESULTS: A total of 29 patients with molecularly confirmed L-ORD were included in this prospective study. Reticular pseudodrusen was detected in 18 patients (62%) at baseline, 10 of whom were men. The prevalence of RPD varied with age. The mean age of RPD patients was 57.3 ± 7.2 years. Reticular pseudodrusen was not seen in patients younger than the fifth decade of life (n = 3 patients) or in the eighth decade of life (n = 5 patients). Reticular pseudodrusen were found commonly in the macula with relative sparing of the fovea and also were identified in the peripheral retina. The morphologic features of RPD changed with follow-up. Two patients (3 eyes) demonstrated RPD regression. CONCLUSIONS: Reticular pseudodrusen is found frequently in patients with L-ORD and at a younger age than in individuals with age-related macular degeneration (AMD). Reticular pseudodrusen exhibits quick formation and collapse, change in type and morphologic features with time, and relative foveal sparing and also has a peripheral retinal location in L-ORD.
PURPOSE: To characterize the association of reticular pseudodrusen (RPD) with late-onset retinal degeneration (L-ORD) using multimodal imaging. DESIGN: Prospective, 2-center, longitudinal case series. PARTICIPANTS: Twenty-nine patients with L-ORD. METHODS: All patients were evaluated within a 3-year interval with near-infrared reflectance, fundus autofluorescence, and spectral-domain OCT. In addition, a subset of patients also underwent indocyanine green angiography, fundus fluorescein angiography, mesopic microperimetry, and multifocal electroretinography. MAIN OUTCOME MEASURES: Prevalence, topographic distribution, and temporal phenotypic changes of RPD in L-ORD. RESULTS: A total of 29 patients with molecularly confirmed L-ORD were included in this prospective study. Reticular pseudodrusen was detected in 18 patients (62%) at baseline, 10 of whom were men. The prevalence of RPD varied with age. The mean age of RPD patients was 57.3 ± 7.2 years. Reticular pseudodrusen was not seen in patients younger than the fifth decade of life (n = 3 patients) or in the eighth decade of life (n = 5 patients). Reticular pseudodrusen were found commonly in the macula with relative sparing of the fovea and also were identified in the peripheral retina. The morphologic features of RPD changed with follow-up. Two patients (3 eyes) demonstrated RPD regression. CONCLUSIONS: Reticular pseudodrusen is found frequently in patients with L-ORD and at a younger age than in individuals with age-related macular degeneration (AMD). Reticular pseudodrusen exhibits quick formation and collapse, change in type and morphologic features with time, and relative foveal sparing and also has a peripheral retinal location in L-ORD.
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