PMID- 24246574 OWN - NLM STAT- MEDLINE DCOM- 20140424 LR - 20220309 IS - 1879-1891 (Electronic) IS - 0002-9394 (Linking) VI - 157 IP - 3 DP - 2014 Mar TI - Cone abnormalities in fundus albipunctatus associated with RDH5 mutations assessed using adaptive optics scanning laser ophthalmoscopy. PG - 558-70.e1-4 LID - S0002-9394(13)00731-9 [pii] LID - 10.1016/j.ajo.2013.10.021 [doi] AB - PURPOSE: To assess macular photoreceptor abnormalities in eyes with fundus albipunctatus with RDH5 mutation by using adaptive optics scanning laser ophthalmoscopy (AO-SLO). DESIGN: Prospective cross-sectional study. METHODS: Ten eyes with fundus albipunctatus and 11 normal eyes underwent a full ophthalmologic examination, microperimetry, spectral-domain optical coherence tomography (SD OCT), and imaging with a prototype AO-SLO system. Cone density and spatial organization of the cone mosaic were assessed using AO-SLO images. Statistical analysis was done using data from right eyes of all patients. RESULTS: Four patients had the same mutation in RDH5 (c.928delC/insGAAG), and 1 patient had a novel mutation in RDH5 (c.718delG). AO-SLO revealed the presence of small patchy dark areas representing cone loss in the macula of all eyes with fundus albipunctatus, including eyes for which fundus photographs showed no macular abnormalities and SD OCT did not reveal any visible defects in the photoreceptor layer. Compared to normal eyes, eyes with fundus albipunctatus demonstrated significantly lower cone density in areas at 0.5 mm from the center of the fovea (P = .020). At 0.5 mm and 1.0 mm from the center of the fovea, eyes with fundus albipunctatus showed fewer cones with 6 neighbors (P = .041 and P = .006). AO-SLO revealed hyperreflective mosaics surrounded by hyporeflective rings in areas corresponding to the retinal flecks. CONCLUSIONS: Macular cone density is lower and the regularity of the macular cone mosaic spatial arrangement is disrupted in eyes with fundus albipunctatus. AO-SLO imaging is a sensitive quantitative tool for detecting photoreceptor abnormalities in eyes with fundus albipunctatus. CI - Copyright (c) 2014 Elsevier Inc. All rights reserved. FAU - Makiyama, Yukiko AU - Makiyama Y AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. FAU - Ooto, Sotaro AU - Ooto S AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. Electronic address: ohoto@kuhp.kyoto-u.ac.jp. FAU - Hangai, Masanori AU - Hangai M AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. FAU - Ogino, Ken AU - Ogino K AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. FAU - Gotoh, Norimoto AU - Gotoh N AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. FAU - Oishi, Akio AU - Oishi A AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. FAU - Yoshimura, Nagahisa AU - Yoshimura N AD - Department of Ophthalmology and Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20131116 PL - United States TA - Am J Ophthalmol JT - American journal of ophthalmology JID - 0370500 RN - 0 (DNA Primers) RN - EC 1.1.- (Alcohol Oxidoreductases) RN - EC 1.1.1.105 (retinol dehydrogenase 5) RN - Fundus Albipunctatus SB - IM MH - Adolescent MH - Adult MH - Alcohol Oxidoreductases/*genetics MH - Cross-Sectional Studies MH - DNA Primers/chemistry MH - Electroretinography MH - Female MH - Fluorescein Angiography MH - Fovea Centralis MH - Humans MH - Male MH - Middle Aged MH - *Mutation MH - *Ophthalmoscopy MH - Optics and Photonics MH - Polymerase Chain Reaction MH - Prospective Studies MH - Retinal Cone Photoreceptor Cells/*pathology MH - Retinal Diseases/diagnosis/*genetics MH - Tomography, Optical Coherence/methods MH - Visual Acuity MH - Visual Field Tests MH - Young Adult EDAT- 2013/11/20 06:00 MHDA- 2014/04/25 06:00 CRDT- 2013/11/20 06:00 PHST- 2013/06/11 00:00 [received] PHST- 2013/10/22 00:00 [revised] PHST- 2013/10/22 00:00 [accepted] PHST- 2013/11/20 06:00 [entrez] PHST- 2013/11/20 06:00 [pubmed] PHST- 2014/04/25 06:00 [medline] AID - S0002-9394(13)00731-9 [pii] AID - 10.1016/j.ajo.2013.10.021 [doi] PST - ppublish SO - Am J Ophthalmol. 2014 Mar;157(3):558-70.e1-4. doi: 10.1016/j.ajo.2013.10.021. Epub 2013 Nov 16.