{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T19:25:38Z","timestamp":1787772338706,"version":"build-2784847793"},"reference-count":22,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"9","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>\n                      To compare the effective optical zones (EOZs) of small-incision lenticule extraction (SMILE) and femtosecond laser-assisted\n                      <jats:italic toggle=\"yes\">in situ<\/jats:italic>\n                      keratomileusis (F-LASIK) by utilizing topographic methods on the tangential curvature difference map at postoperative 1 year and to identify parameters linked to the EOZ alterations following both surgeries.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Myopic patients who underwent SMILE or F-LASIK were included in the study. Patients with refractive error greater than \u22129.0 D sphere or \u22120.50 D of astigmatism were excluded from the study. EOZs were measured at postoperative 1 year by using the tangential curvature difference map of the Scheimpflug tomography system. Correlations between the EOZ alterations and relevant parameters were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      In total, 59 eyes in the SMILE group and 65 eyes in the F-LASIK group were assessed. The decrease in EOZ compared with the programmed optical zone was significantly higher in the F-LASIK group (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001). The increase in corneal asphericity was significantly relevant to the decrease in EOZin both groups according to the multiple regression analysis (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001, B\/95% CI: 0.62\/0.34 and 0.90, standardized-Beta: 0.587 for the SMILE group;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001, B\/95% CI: 0.74\/0.41 and 1.07, standardized-Beta: 0.631 for the F-LASIK group).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The EOZ decreased 1 year after both SMILE and F-LASIK. The SMILE group showed less EOZ reduction than F-LASIK patients relative to the programmed optical zone. The decrease in EOZ was correlated with the increase in corneal asphericity in both groups.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ijo.ijo_133_24","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T05:02:38Z","timestamp":1716267758000},"page":"1315-1320","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":4,"title":["Effective optical zone: Differences between small-incision lenticule extraction and femtosecond LASIK for myopia"],"prefix":"10.4103","volume":"72","author":[{"given":"G\u00fclay Yal\u00e7\u0131nkaya","family":"\u00c7ak\u0131r","sequence":"first","affiliation":[{"name":"University of Health Sciences Turkey, Beyoglu Eye Training and Research Hospital, Istanbul, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u0130hsan","family":"\u00c7ak\u0131r","sequence":"additional","affiliation":[{"name":"University of Health Sciences Turkey, 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