{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T14:20:06Z","timestamp":1787840406864,"version":"build-2784847793"},"reference-count":13,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Astigmatism is the leading complication in visual recovery after penetrating keratoplasty (PKP) and deep anterior lamellar keratoplasty (DALK); in this study, we evaluated the outcome of femtosecond laser arcuate keratotomy (FLAK) after DALK and PKP in Iranian keratoconic patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>In this prospective interventional case series, refractive and keratometric predictability, efficacy, and complications of FLAK for postkeratoplasty astigmatism in keratoconus were evaluated; 23 eyes of 23 consecutive patients (mean age of 32.43 \u00b1 9.11 years) with high astigmatism were enrolled. The femtosecond laser performed paired 90\u00b0-angled arcuate incisions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Mean logarithm of the minimum angle of resolution of corrected and uncorrected visual acuity improved from preoperative values of 0.30 \u00b1 0.18 and 0.85 \u00b1 0.32 to 6-month values of 0.19 \u00b1 0.17 and 0.65 \u00b1 0.33, respectively (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05). Mean subjective astigmatism was 7.79 \u00b1 2.64 diopter (D) preoperatively and 3.69 \u00b1 2.25D at 6-month after surgery (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05). Surgically induced astigmatism was 9.27 \u00b1 5.00D. Mean refractive spherical equivalent showed no significant (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.69) hyperopic shift from \u2212 4.21 \u00b1 4.84D preoperatively to \u2212 2.16 \u00b1 6.09D postoperatively. Two (8.7%) microperforations were observed.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>FLAK is a relatively safe and effective method for the treatment of postkeratoplasty astigmatism.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/1735-1995.200267","type":"journal-article","created":{"date-parts":[[2017,2,16]],"date-time":"2017-02-16T02:20:56Z","timestamp":1487211656000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":14,"title":["Femtosecond laser arcuate keratotomy for the correction of postkeratoplasty high astigmatism in keratoconus"],"prefix":"10.4103","volume":"22","author":[{"given":"Mohammad Naser","family":"Hashemian","sequence":"first","affiliation":[{"name":"Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Habib","family":"Ojaghi","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology, Ardebil University of Medical Sciences, Ardebil, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehrdad","family":"Mohammadpour","sequence":"additional","affiliation":[{"name":"Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahmoud","family":"Jabbarvand","sequence":"additional","affiliation":[{"name":"Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Firouzeh","family":"Rahimi","sequence":"additional","affiliation":[{"name":"Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammad-Ali","family":"Abtahi","sequence":"additional","affiliation":[{"name":"Isfahan Eye Research Center, Feiz Hospital, Isfahan University of Medical Sciences, Isfahan, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehdi","family":"Mazloumi","sequence":"additional","affiliation":[{"name":"Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seyed-Hossein","family":"Abtahi","sequence":"additional","affiliation":[{"name":"Isfahan Eye Research Center, Feiz Hospital, Isfahan University of Medical Sciences, Isfahan, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2017,2,16]]},"reference":[{"key":"R1-20250827","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1097\/ICO.0b013e31825ea2e6","article-title":"Beveled femtosecond 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post-keratoplasty astigmatism","volume":"38","author":"Fares","year":"2012","journal-title":"J Cataract Refract Surg"},{"key":"R12-20250827","doi-asserted-by":"crossref","first-page":"709","DOI":"10.3928\/1081597X-20090707-05","article-title":"Arcuate keratotomy for high postoperative keratoplasty astigmatism performed with the intralase femtosecond laser","volume":"25","author":"Buzzonetti","year":"2009","journal-title":"J Refract Surg"},{"key":"R13-20250827","doi-asserted-by":"crossref","first-page":"923","DOI":"10.1016\/j.jcrs.2006.02.013","article-title":"Correction of post-keratoplasty astigmatism with keratotomies in the host cornea","volume":"32","author":"Bochmann","year":"2006","journal-title":"J Cataract Refract Surg"}],"container-title":["Journal of Research in Medical 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