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      Assessment of Choroidal Vascularity and Choriocapillaris Blood Perfusion After Accommodation in Myopia, Emmetropia, and Hyperopia Groups Among Children

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          Abstract

          Purpose

          To investigate choroidal vascularity (CV) and choriocapillaris blood perfusion before and after accommodation in myopia, emmetropia, and hyperopia groups among children.

          Methods

          This study included 39 myopic eyes from 22 subjects, 17 emmetropic eyes from 11 subjects, and 18 hyperopic eyes from 10 subjects. All subjects were children. Choroidal thickness (CT) and CV, including total choroidal area (TCA), luminal area (LA), and stromal area (SA) were measured using swept-source optical coherence tomography (SS-OCT). Choriocapillaris luminal area (CLA) was measured using SS-OCT-angiography before and after accommodation (near reading with an additional −3 diopter lens).

          Results

          For baseline results, except horizontal CV (showing no significant differences between myopia and emmetropia groups), both horizontal and vertical CT and CV were significantly smaller in the myopia group than in the emmetropia or hyperopia groups. In terms of CLA, no significant differences were observed among the myopia, emmetropia, and hyperopia groups. In addition, only myopic eyes showed significant decreases in CT and CV, whereas most CT and CV of emmetropic and hyperopic eyes showed non-significant decreases after accommodation. Furthermore, accommodation induced no significant changes in CLA in the myopia, emmetropia, or hyperopia groups.

          Conclusion

          Myopia had thinner baseline choroid and lower baseline choroidal blood perfusion. Furthermore, myopic eyes were more prone to choroidal thinning and blood perfusion decreases after accommodation.

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          Most cited references69

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          Global Prevalence of Myopia and High Myopia and Temporal Trends from 2000 through 2050.

          Brien A. Holden, Timothy Fricke, David Wilson … (2016)
          Myopia is a common cause of vision loss, with uncorrected myopia the leading cause of distance vision impairment globally. Individual studies show variations in the prevalence of myopia and high myopia between regions and ethnic groups, and there continues to be uncertainty regarding increasing prevalence of myopia.
          Article 0 comments Cited 1469 times – based on 0 reviews     Review now
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            Myopia

            Ian G Morgan, Kyoko Ohno-Matsui, Seang-Mei Saw (2012)
            The Lancet, 379(9827), 1739-1748
            Article 0 comments Cited 447 times – based on 0 reviews     Review now
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              The myopia boom.

              Elie S Dolgin (2015)
              Article 0 comments Cited 266 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Journal
                Journal ID (nlm-ta): Front Physiol
                Journal ID (iso-abbrev): Front Physiol
                Journal ID (publisher-id): Front. Physiol.
                Title: Frontiers in Physiology
                Publisher: Frontiers Media S.A.
                ISSN (Electronic): 1664-042X
                Publication date (Electronic): 17 March 2022
                Publication date Collection: 2022
                Volume: 13
                Electronic Location Identifier: 854240
                Affiliations
                [1] 1Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
                [2] 2Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
                [3] 3Department of Ophthalmology, Hankou Aier Eye Hospital , Wuhan, China
                Author notes

                Edited by: John D. Imig, Medical College of Wisconsin, United States

                Reviewed by: Soumya Jana, Indian Institute of Technology Hyderabad, India; Kemal Örnek, Ahi Evran University, Turkey

                *Correspondence: Ping Wang, pwang@ 123456tjh.tjmu.edu.cn

                †These authors have contributed equally to this work and share first authorship

                This article was submitted to Vascular Physiology, a section of the journal Frontiers in Physiology

                Article
                DOI: 10.3389/fphys.2022.854240
                PMC ID: 8968861
                PubMed ID: 35370764
                SO-VID: 14bb4b75-3561-4c88-b523-2bfcab78f1ce
                Copyright © Copyright © 2022 Chang, Li, Lv, Yan, Liu, Zhu, Wang, Wang and Xiang.
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

                History
                Date received : 13 January 2022
                Date accepted : 24 February 2022
                Page count
                Figures: 4, Tables: 8, Equations: 0, References: 69, Pages: 12, Words: 9474
                Funding
                Funded by: National Natural Science Foundation of China , doi 10.13039/501100001809;
                Award ID: 82000893
                Award ID: 81800821
                Categories
                Subject: Physiology
                Subject: Original Research

                ScienceOpen disciplines: Anatomy & Physiology
                Keywords: myopia,accommodation,choroidal vascularity,choriocapillaris,optical coherence tomography
                Data availability:
                ScienceOpen disciplines: Anatomy & Physiology
                Keywords: myopia, accommodation, choroidal vascularity, choriocapillaris, optical coherence tomography

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