ArticleKorean journal of ophthalmology : KJO2024
Clinical and Genetic Characteristics of Patients with Peripheral Retinal Flecks in Koreans.
Article in Korean journal of ophthalmology : KJO, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Genetic characterization of inherited retinal dystrophy in a Northwestern Chinese cohort: A single-center study over a 5-year period in Shaanxi, China.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026Article
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Abstract
purposeTo describe the clinical and genetic features of Korean patients with peripheral retinal flecks unrelated to aging.
methodsA retrospective analysis was conducted on the clinical characteristics of patients with symmetric peripheral retinal flecks. Age-related deposits such as reticular pseudodrusen were excluded, as well as secondary deposits related to intraocular inflammation, tumor, and drug toxicity. Multimodal imaging, electrophysiological examinations, and genetic testing were analyzed.
resultsA total of 10 patients (two men and eight women) with bilateral peripheral flecks were enrolled in this study. A mean age at diagnosis was 30.5 ± 19.6 years (range, 4-59 years). Within the 10 patients, six were genetically confirmed with monogenic retinal disorders. Biallelic pathogenic variants in RDH5 were found in five patients, and one patient was diagnosed with retinopathy related to Alport syndrome due to a pathogenic variant in COL4A5. Although not genetically confirmed, one case associated with nanophthalmos and another case showing chorioretinal mottling in a carrier of ocular albinism have been identified. In one patient, genetic testing also revealed unknown causes. The mean logarithm of the minimum angle of resolution initial visual acuity was 0.12 ± 0.18 and 0.07 ± 0.18 in right and left eyes, respectively. Night blindness was reported by four patients (40%), with three showing decreased or delayed rod response in electroretinogram, particularly those with RDH5 mutations. Differences in the deposit layers and the patterns of flecks were observed on multimodal imaging.
conclusionsIn the study population, we observed various causes and clinical differences in the retinal fleck patterns among Koreans, including RDH5-related fundus albipunctatus and Alport syndrome. Despite reports of night blindness symptoms in some cases, all patients demonstrated satisfactory corrected visual acuity.
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