{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:16:21Z","timestamp":1772165781404,"version":"3.50.1"},"reference-count":19,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2024,4,16]],"date-time":"2024-04-16T00:00:00Z","timestamp":1713225600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,4,16]],"date-time":"2024-04-16T00:00:00Z","timestamp":1713225600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Ophthalmol"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the long-term clinical outcomes of femtosecond thin-flap LASIK (femto-LASIK) for correction of refractive error after penetrating keratoplasty in keratoconus-affected eyes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>a private ophthalmology clinic.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Prospective interventional case series.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This prospective interventional case series enrolled 22 eyes of 22 patients who underwent femto-LASIK for the management of post-penetrating keratoplasty ametropia. The refractive error, uncorrected (UDVA), and corrected (CDVA) distance visual acuities and vector analysis were reported in short-term and long-term period after surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The mean age was 32.7\u2009\u00b1\u20097.5 years (range, 23 to 47 years) at the surgery time. The average time between PK and femto-LASIK was 42.5\u2009\u00b1\u200931.7 months. The average follow-up duration after femto-LASIK was 81.2\u2009\u00b1\u200918.6 months. The mean preoperative UDVA significantly improved from 0.47\u2009\u00b1\u20090.15 logMAR to 0.35\u2009\u00b1\u20090.14 logMAR at 12 months (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.048) and 0.4\u2009\u00b1\u20090.17 at final follow-up exam (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.007). CDVA was 0.22\u2009\u00b1\u20090.1 at baseline which improved to 0.18\u2009\u00b1\u20090.15 and 0.15\u2009\u00b1\u20090.1 logMAR at 12 and 81 months, respectively. (Ps\u2009=\u20090.027, 0.014). The mean cylinder before surgery was \u2212\u20095.04\u2009\u00b1\u20091.4D which significantly decreased to -1.5\u2009\u00b1\u20090.8 D at 12 months postoperatively. (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001). There was a significant increase in refractive astigmatism from 12 months to 81 months postoperatively (-3.1\u2009\u00b1\u20092.0,\n                      <jats:italic>P<\/jats:italic>\n                      \u2009=\u20090.002). At the final visit, the efficacy index was 0.83, and the safety index was 1.16.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Despite the short-term outcome indicated that femo-LASIK was effective for correction of post-keratoplasty ametropia during short-term period, a notable regression in its effect was observed in the long-term follow-up. Therefore, the predictability of this technique might decrease in the long-term.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12886-024-03428-3","type":"journal-article","created":{"date-parts":[[2024,4,16]],"date-time":"2024-04-16T09:10:20Z","timestamp":1713258620000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Femtosecond thin-flap laser assisted in situ keratomileusis for correction of post-penetrating keratoplasty ametropia: long-term outcome"],"prefix":"10.1186","volume":"24","author":[{"given":"Bahram","family":"Einollahi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javad","family":"Rezaei","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad-Mehdi","family":"Sadoughi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sepehr","family":"Feizi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Neda","family":"Einollahi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amir Reza","family":"Veisi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiana","family":"Hassanpour","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,4,16]]},"reference":[{"key":"3428_CR1","volume-title":"Report from the Australian corneal graft Registry","author":"KA Williams","year":"2004","unstructured":"Williams KA, Hornsby NB, Bartlett CM, et al. 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