Qi Sheng You1, Xiao Yan Peng2, Liang Xu1, Chang Xi Chen1, Ya Xing Wang1, Jost B Jonas3. 1. Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Science Key Lab, Beijing, China. 2. Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Science Key Lab, Beijing, China. Electronic address: xlbio1@163.com. 3. Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Science Key Lab, Beijing, China; Department of Ophthalmology, Medical Faculty Mannheim of the Ruprecht-Karls-University of Heidelberg, Mannheim, Germany.
Abstract
PURPOSE: To examine the features of myopia-related optical coherence tomography (OCT) findings in a population-based setting. DESIGN: Population-based study. PARTICIPANTS: The Beijing Eye Study 2011 included 3468 subjects with an age of 50 years or more. METHODS: The participants underwent a detailed ophthalmic examination including OCT with enhanced depth imaging of the macula. MAIN OUTCOME MEASURES: Optical coherence tomography features of the macula in highly myopic eyes defined by a refractive error of -6 diopters or less or an axial length of 26.5 mm or more. RESULTS: Readable OCT images were available for 6530 eyes (94.5%) of 3278 participants. The most common change in the macula was maculoschisis (0.8±0.1%), followed by incomplete posterior vitreous detachment (0.7±0.1%), disruption of the photoreceptor inner segment/outer segment interface (0.6±0.1%), epiretinal membranes (0.6±0.1%), macular defects in Bruch's membrane (0.3±0.1%), clumping of the retinal pigment epithelium (0.2±0.1%), vitreofoveal adhesion (0.2±0.1%), and macular holes in 2 eyes (0.1±0.1%). Prevalence of any myopic maculopathy per eye was 112 of 6530, or 1.71±0.16% (95% confidence interval [CI], 1.40-2.03). After adjustment for longer axial length (P<0.001; odds ratio [OR], 2.68; 95% CI, 1.97-3.64) and myopic refractive error (P<0.001; OR, 0.63; 95% CI, 0.55-0.73), presence of any myopic maculopathy was not significantly associated with any systemic variables (all P≥0.05), including biochemical blood examination and ocular parameters. Best-corrected visual acuity was associated significantly with the absence of a disruption of the photoreceptor inner segment/outer segment interface (P<0.001), epiretinal membranes (P<0.001), and macular holes (P<0.001) after adjustment for age and cylindrical refractive error. CONCLUSIONS: Based on OCT examination, the most common macular change in highly myopic eyes was maculoschisis, followed by incomplete posterior vitreous detachment, disruption of the photoreceptor inner segment/outer segment interface, epiretinal membranes, macular defects in Bruch's membrane, clumping of the retinal pigment epithelium, vitreofoveal adhesion, and macular holes. The most important macular changes with a negative effect on best-corrected visual acuity were a disruption of the photoreceptor inner segment/outer segment interface and epiretinal membranes.
PURPOSE: To examine the features of myopia-related optical coherence tomography (OCT) findings in a population-based setting. DESIGN: Population-based study. PARTICIPANTS: The Beijing Eye Study 2011 included 3468 subjects with an age of 50 years or more. METHODS: The participants underwent a detailed ophthalmic examination including OCT with enhanced depth imaging of the macula. MAIN OUTCOME MEASURES: Optical coherence tomography features of the macula in highly myopic eyes defined by a refractive error of -6 diopters or less or an axial length of 26.5 mm or more. RESULTS: Readable OCT images were available for 6530 eyes (94.5%) of 3278 participants. The most common change in the macula was maculoschisis (0.8±0.1%), followed by incomplete posterior vitreous detachment (0.7±0.1%), disruption of the photoreceptor inner segment/outer segment interface (0.6±0.1%), epiretinal membranes (0.6±0.1%), macular defects in Bruch's membrane (0.3±0.1%), clumping of the retinal pigment epithelium (0.2±0.1%), vitreofoveal adhesion (0.2±0.1%), and macular holes in 2 eyes (0.1±0.1%). Prevalence of any myopic maculopathy per eye was 112 of 6530, or 1.71±0.16% (95% confidence interval [CI], 1.40-2.03). After adjustment for longer axial length (P<0.001; odds ratio [OR], 2.68; 95% CI, 1.97-3.64) and myopic refractive error (P<0.001; OR, 0.63; 95% CI, 0.55-0.73), presence of any myopic maculopathy was not significantly associated with any systemic variables (all P≥0.05), including biochemical blood examination and ocular parameters. Best-corrected visual acuity was associated significantly with the absence of a disruption of the photoreceptor inner segment/outer segment interface (P<0.001), epiretinal membranes (P<0.001), and macular holes (P<0.001) after adjustment for age and cylindrical refractive error. CONCLUSIONS: Based on OCT examination, the most common macular change in highly myopic eyes was maculoschisis, followed by incomplete posterior vitreous detachment, disruption of the photoreceptor inner segment/outer segment interface, epiretinal membranes, macular defects in Bruch's membrane, clumping of the retinal pigment epithelium, vitreofoveal adhesion, and macular holes. The most important macular changes with a negative effect on best-corrected visual acuity were a disruption of the photoreceptor inner segment/outer segment interface and epiretinal membranes.
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