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Clinical characteristics and risk factors of myopic macular retinoschisis
Received:August 03, 2021  Revised:October 21, 2021  Click here to download the full text
Citation of this paper:YU Jia-yi,LI Meng-han,HE Jiang-nan,ZHU Jian-feng,ZOU Hai-dong,FAN Ying,XU Xun.Clinical characteristics and risk factors of myopic macular retinoschisis[J].Chinese Journal of Clinical Medicine,2021,28(6):963-968
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Author NameAffiliationE-mail
YU Jia-yi Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
LI Meng-han Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
HE Jiang-nan Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
ZHU Jian-feng Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
ZOU Hai-dong Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
FAN Ying Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China mdfanying@sjtu.edu.cn 
XU Xun Department of Ophthalmology, The First People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200040, China  
Abstract:Objective: To explore the clinical characteristics of myopic macular retinoschisis (MRS) in an elder pathologic myopia population and the risk factors for different grades of MRS. Methods: 238 eyes of 238 patients with high myopia over 50 years old in the 2016 Shanghai Adult High Myopia Epidemiology Survey Project were enrolled in the cross-sectional study. MRS was classified into five groups:no macular retinoschisis (S0) group, extrafoveal retinoschisis (S1) group, foveal retinoschisis (S2) group, both fovea and extrafovea retinoschisis but not the entire macula (S3) group, and entire macula retinoschisis (S4) group. S0 group was set as the control group. Each participant underwent detailed ocular examinations. The grading of atrophic myopic maculopathy (AMM) was assessed. Swept-source optical coherence tomography (SS-OCT) was used to detect the incidence of epiretinal membrane (ERM) and vitreomacular traction (VMT) and to measure the macular scleral height (MSH). Results: MRS group comprised 89 eyes in 238 eyes (37.4%). No significant differences were found in age or sex between the MRS group and the non-MRS group. The nasal, temporal, and inferior MSH in the MRS group were significantly higher than those in the non-MRS group (P<0.05). The incidence of ERM, VMT, and severe AMM above A2 was higher in the MRS group (P<0.05). Among the different grades of MRS, the S2 group displayed a significantly shorter axial length (P<0.001) and a significantly higher proportion of eyes with A0 or A1 (36.4%, P=0.046), which was similar to the S0 group. Conclusions: Long axial length, MSH, VMT, and severe AMM are risk factors for MRS. There might be different formation mechanisms of foveal retinoschisis and extrafoveal retinoschisis, which need to be further confirmed by a long-term cohort study.
keywords:pathologic myopia  retinoschisis  vitreomacular traction  atrophic myopic maculopathy  scleral height
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