期刊
RETINA-THE JOURNAL OF RETINAL AND VITREOUS DISEASES
卷 41, 期 11, 页码 2361-2369出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/IAE.0000000000003191
关键词
peripheral retinoschisis; posterior hyaloid attachment; stellate nonhereditary idiopathic foveomacular retinoschisis
Stellate nonhereditary idiopathic foveomacular retinoschisis is a condition characterized by splitting of the retina at the macula without a known underlying cause. This study found an association between this condition and peripheral retinoschisis, as well as abnormal or incomplete detachment of the posterior hyaloid. While central visual function remains largely unaffected, there can be significant loss of peripheral visual function in individuals with this condition.
Purpose:Stellate nonhereditary idiopathic foveomacular retinoschisis is a disorder characterized by splitting of the retina at the macula, without a known underlying mechanical or inherited cause. This study investigates demographic, anatomical, and functional characteristics of subjects with stellate nonhereditary idiopathic foveomacular retinoschisis, to explore potential underlying mechanisms.Methods:In this single-site, retrospective, and cross-sectional, observational study, data were collected from 28 eyes from 24 subjects with stellate nonhereditary idiopathic foveomacular retinoschisis. Descriptive statistics were reported, based on the observed anatomico-functional features.Results:The visual acuity remained stable (median 20/20) in all subjects over a median follow-up of 17 months. All cases demonstrated foveomacular retinoschisis within Henle's fiber layer, at the junction of the outer plexiform and outer nuclear layers. This schisis cavity extended beyond the limits of the macular OCT temporally in all eyes. In most affected eyes, there were documented features of peripheral retinoschisis and broad attachment of the posterior hyaloid at the macula. Functional testing in a cross-sectional subset demonstrated normal retinal sensitivity centrally but an absolute scotoma peripherally.Conclusion:Stellate nonhereditary idiopathic foveomacular retinoschisis seems to be associated with peripheral retinoschisis and anomalous or incomplete posterior hyaloid detachment. Despite chronic manifestation, this does not significantly affect central visual function but can manifest with profound loss of peripheral visual function.
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