Abstract
Purpose
To assess the effects of posterior sclera reinforcement (PSR) in refractive outcomes, choroidal thickness (CT), and retinal thickness (RT) during a 3-year follow-up in eyes with pathological myopia.
Methods
Thirty-eight eyes of 26 adults with pathological myopia who underwent PSR (the PSR group) and 30 eyes of 18 adults with matched age and myopia who did not receive PSR treatment (the control group) were followed up with measurements of axial length (AL), spherical equivalent (SE), best corrected visual acuity (BCVA), CT, and RT at baseline, 1 and 3 months, and 1, 2, and 3 years postoperatively. Data were analyzed by repeated measures analysis of variance and independent-samples t test.
Results
In the PSR group, AL, SE, BCVA, and CT were tending to be relatively stable and no statistically significant changes were found during the follow-up (all P > 0.05). In contrast, in the control group, compared with the measurements taken at baseline, AL, SE, BCVA, and CT altered gradually from 1 month onward to 3 years postoperatively. At 2-year and 3-year follow-ups, significant differences in AL, SE, BCVA, and CT were noted between the PSR group and the control group (all P < 0.05). RTs of the center subfield and the inner ring were equal to the baseline in the control group; however, RTs of the center subfield at 1 year, 2 years, and 3 years postoperatively significantly slightly reduced compared with those at the baseline in the PSR group (all P < 0.05).
Conclusions
The effects of PSR in restraining eyeball elongation, stabilizing vision, and strengthening the structure of posterior pole are more prominent 2 years or more postoperatively compared with the natural progression of pathological myopia.
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Funding
This study was funded by the National Natural Science Foundation of China (81700814, 81703185, and 81870644), the Shenyang Science and Technology Bureau (18-014-4-46), and the Foundation of Liaoning Province Education Administration (LK201641).
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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Fig. 1
Schema of above, below and back demonstration after the U-shaped sclera buckle inserting underneath the inferior oblique, inferior rectus and lateral rectus, wrapping around the posterior pole. The scleral buckle is sutured to the nasal side of the sclera near the attachments of the inferior rectus and the superior rectus. (PNG 300 kb)
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Peng, C., Xu, J., Ding, X. et al. Effects of posterior scleral reinforcement in pathological myopia: a 3-year follow-up study. Graefes Arch Clin Exp Ophthalmol 257, 607–617 (2019). https://doi.org/10.1007/s00417-018-04212-y
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DOI: https://doi.org/10.1007/s00417-018-04212-y