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      Microvascular Changes in Macular Area After Phacoemulsification and Its Influencing Factors Assessed by Optical Coherence Tomography Angiography

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          Abstract

          Objective

          To investigate macular vascular changes and underlying influencing factors using optical coherence tomography angiography (OCTA) after phacoemulsification in patients with cataracts.

          Methods

          Patients diagnosed with cataracts at the First Affiliated Hospital of Anhui Medical University from March to September 2019 were included. The macular retinal thickness, the microvascular density in the foveal, parafoveal, and perifoveal area, and the area of the foveal avascular zone (FAZ) were measured using OCTA at baseline, 1-week, 1-month, and 3-month post-operation.

          Results

          Forty-seven cataract patients (58 eyes) were eligible for this study. Compared with baseline thickness, the foveal, parafoveal, and perifoveal thicknesses, particularly in the inner retina, significantly increased at 1- and 3-month post-operation (P<0.05). There was a nonsignificant difference in the microvascular density of the foveal and perifoveal areas at 1-week, 1-month, and 3-month post-operation (P>0.05). At 1-month post-operation, the deep vessel density at the perifovea significantly increased (P<0.05). The FAZ area significantly diminished at 1- and 3-month post-operation compared with the baseline data (P<0.05).

          Conclusion

          Phacoemulsification offers a satisfactory efficacy response, with an increased macular thickness, reduced FAZ area, and nonsignificant changes in the microvascular density at the perifovea after surgery.

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          Most cited references 20

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          Optical coherence tomography angiography of optic nerve head and parafovea in multiple sclerosis.

          To investigate swept-source optical coherence tomography (OCT) angiography in the optic nerve head (ONH) and parafoveal regions in patients with multiple sclerosis (MS).
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            Optical Coherence Tomography Angiography of Diabetic Retinopathy in Human Subjects.

            Optical coherence tomography angiography (OCTA) is a novel, non-invasive OCT technique capable of imaging the retinal vasculature. This study aims to evaluate the retinal microvasculature in diabetic human subjects with OCTA and assess potential clinical applications.
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              Spectral transmission of the human crystalline lens in adult and elderly persons: color and total transmission of visible light.

              To experimentally measure the spectral transmission of human crystalline lenses belonging to adult and elderly persons, and to determine the color and total transmission of visible light of such crystalline lenses.
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                Author and article information

                Journal
                Ther Clin Risk Manag
                Ther Clin Risk Manag
                tcrm
                tcriskman
                Therapeutics and Clinical Risk Management
                Dove
                1176-6336
                1178-203X
                14 May 2021
                2021
                : 17
                : 405-414
                Affiliations
                [1 ]Department of Ophthalmology, Chaohu Hospital of Anhui Medical University , Hefei, 238000, Anhui, People’s Republic of China
                Author notes
                Correspondence: Lihong Dong Department of Ophthalmology, Chaohu Hospital of Anhui Medical University , Hefei, 238000, Anhui, People’s Republic of ChinaTel +86-551-82324267 Email dlhyp6583@sina.com
                Article
                309679
                10.2147/TCRM.S309679
                8131067
                © 2021 Liu et al.

                This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms ( https://www.dovepress.com/terms.php).

                Page count
                Figures: 3, Tables: 8, References: 20, Pages: 10
                Categories
                Original Research

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