{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T19:36:42Z","timestamp":1787773002646,"version":"build-2784847793"},"reference-count":27,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"10","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,10]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>\n                      This study aimed to evaluate the outcomes of astigmatic correction by single-step transepithelial photorefractive keratectomy (TransPRK) and femtosecond-assisted laser\n                      <jats:italic toggle=\"yes\">in-situ<\/jats:italic>\n                      keratomileusis (Femto-LASIK) surgeries.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A total of 218 subjects received TransPRK or Femto-LASIK surgery for the treatment of myopia and astigmatism (\u22122.25 to \u22120.25 D). Refraction errors and uncorrected (UDVA) and corrected distance visual acuity (CDVA) were examined before and at 3 months after surgery. Astigmatism changes were assessed by vector analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Preoperative parameters of the TransPRK group were similar to the Femto-LASIK group. UDVA and CDVA at 3 months were similar between both groups. Manifest refraction (MR) spherical equivalent in the TransPRK group (0 \u00b1 0.20 D) was slightly lower compared with the Femto-LASIK group at 3 months (0.11 \u00b1 0.25 D,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.001). MR cylinder was -0.06 \u00b1 0.19 D in the TransPRK group and -0.02 \u00b1 0.15 D in the Femto-LASIK group at 3 months (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.135). The index of success (IS) was 0.15 \u00b1 0.36 in the TransPRK group and 0.06 \u00b1 0.17 in the Femto-LASIK group (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.125). The correction index (CI) was 1.03 \u00b1 0.19 in the TransPRK group and 1.01 \u00b1 0.11 in the Femto-LASIK group (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.815).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>For low to moderate myopic astigmatism, TransPRK provided a comparable astigmatic treatment effect as Femto-LASIK. Myopic astigmatism was both slightly overcorrected after TransPRK and Femto-LASIK surgeries.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ijo.ijo_649_22","type":"journal-article","created":{"date-parts":[[2022,10,6]],"date-time":"2022-10-06T11:10:13Z","timestamp":1665054613000},"page":"3483-3489","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":3,"title":["Vector analysis of astigmatic correction after single-step transepithelial photorefractive keratectomy and femtosecond-assisted laser in-situ keratomileusis for low to moderate myopic astigmatism"],"prefix":"10.4103","volume":"70","author":[{"given":"Lixia","family":"Sun","sequence":"first","affiliation":[{"name":"Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou, Guangdong Province, 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