{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T20:34:30Z","timestamp":1777581270984,"version":"3.51.4"},"reference-count":35,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2022,12,20]],"date-time":"2022-12-20T00:00:00Z","timestamp":1671494400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Ophthalmology"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To analyze visual and refractive results after wedge resection to correct high astigmatism after penetrating keratoplasty (PK) for keratoconus.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Cornea Unit of the Centro de Oftalmolog\u00eda Barraquer Barcelona, Spain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>A retrospective quasi-experimental, before and after study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients who developed high astigmatism or ectasia in the graft-host junction after PK were treated with wedge resection. The following variables were studied before the surgery, 1-year after and at the final visit: uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), refractive and topographic astigmatism and spherical equivalent. Vectorial analysis of the astigmatism changes was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Fifty-one eyes were included with a mean follow-up of 4.19\u2009\u00b1\u20093.09 years. Mean refractive astigmatism was 11.47\u2009\u00b1\u20093.57 diopters (D) pre-operatively and 4.79\u2009\u00b1\u20093.32 D at the final follow-up (p\u2009&lt;\u20090.001). The mean centroid changed from 2.65\u2009\u00b1\u200911.82 D at 23 degrees preoperatively to 0.35\u2009\u00b1\u20095.86 D at 127 degrees postoperatively. Concerning spherical equivalent, the mean preoperative value was \u22123.10\u2009\u00b1\u20094.15 D and the mean postoperative value was \u22121.55\u2009\u00b1\u20093.41 D (p\u2009=\u20090.002). Mean pre-operative and final follow-up UDVA were 1.25\u2009\u00b1\u20090.27 and 0.84\u2009\u00b1\u20090.50 (p\u2009&lt;\u20090.001). Mean Pre-op and final follow-up CDVA were 0.27\u2009\u00b1\u20090.19 and 0.24\u2009\u00b1\u20090.24.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Wedge resection is a useful surgical procedure to correct high astigmatism. It is a safe technique with moderate efficacy and may be considered as initial procedure of choice in high astigmatism due to long-term ectasia in the graft-host junction after PK for keratoconus.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11206721221144656","type":"journal-article","created":{"date-parts":[[2022,12,20]],"date-time":"2022-12-20T03:14:52Z","timestamp":1671506092000},"page":"682-688","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Analysis of visual and refractive results after wedge resection for high astigmatism after penetrating keratoplasty in keratoconus"],"prefix":"10.1177","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8169-8791","authenticated-orcid":false,"given":"Gonzalo","family":"Garc\u00eda de Oteyza","sequence":"first","affiliation":[{"name":"Centro de Oftalmolog\u00eda Barraquer, Barcelona, Spain"},{"name":"Institut Universitari Barraquer, 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