{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T23:38:22Z","timestamp":1769297902047,"version":"3.49.0"},"reference-count":28,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2015,2,20]],"date-time":"2015-02-20T00:00:00Z","timestamp":1424390400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004836","name":"Danish Council for Independent Research","doi-asserted-by":"crossref","award":["1333-00007B"],"award-info":[{"award-number":["1333-00007B"]}],"id":[{"id":"10.13039\/501100004836","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ophthalmic Physiologic Optic"],"published-print":{"date-parts":[[2015,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>\n                      To investigate whether the Pentacam\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      could accurately predict the surgically induced refractive change in patients operated with small\u2010incision lenticule extraction (\n                      <jats:styled-content style=\"fixed-case\">SMILE<\/jats:styled-content>\n                      ) for myopia or femto\u2010second laser\n                      <jats:italic>in situ<\/jats:italic>\n                      keratomileusis (\n                      <jats:styled-content style=\"fixed-case\">FS<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">LASIK<\/jats:styled-content>\n                      ) for myopia or hyperopic astigmatism.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Data from three groups consisting of (1) 410 myopic eyes of 410 patients operated with\n                      <jats:styled-content style=\"fixed-case\">SMILE<\/jats:styled-content>\n                      , (2) 111 myopic eyes of 111 patients operated with\n                      <jats:styled-content style=\"fixed-case\">FS<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">LASIK<\/jats:styled-content>\n                      , and (3) 40 eyes of 40 patients with hyperopic astigmatism operated with\n                      <jats:styled-content style=\"fixed-case\">FS<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">LASIK<\/jats:styled-content>\n                      were retrospectively analysed. The change in manifest refraction due to surgery was compared with the objectively measured change in corneal power by the Pentacam\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      in three different ways: Sagittal Power (calculated as for placido topographers), True Net Power (calculated by a Gaussian optics formula), and Total Corneal Refractive Power (calculated by ray tracing). Multiple linear regression analysis was performed to investigate which parameters influenced the Pentacam\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      's prediction of the change in subjective refraction due to surgery.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The Total Corneal Refractive Power Apex, Zone calculation in a diameter of 4.0\u00a0mm effectively predicted the surgically induced refractive change for all three patient groups. The spherical equivalent was predicted with an error of 0.08\u00a0\u00b1\u00a00.41\u00a0D for the\n                      <jats:styled-content style=\"fixed-case\">SMILE<\/jats:styled-content>\n                      eyes, 0.05\u00a0\u00b1\u00a00.61\u00a0D for the myopic eyes operated with\n                      <jats:styled-content style=\"fixed-case\">FS<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">LASIK<\/jats:styled-content>\n                      , and \u22120.15\u00a0\u00b1\u00a00.49\u00a0D for the hyperopic astigmatic eyes treated with\n                      <jats:styled-content style=\"fixed-case\">FS<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">LASIK<\/jats:styled-content>\n                      . Regression showed that preoperative refractive error had a significant impact on the prediction error of the Pentacam\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Ray tracing calculations based on Scheimpflug imaging accurately assessed the change in manifest refraction due to corneal laser surgery.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/opo.12202","type":"journal-article","created":{"date-parts":[[2015,2,20]],"date-time":"2015-02-20T23:23:19Z","timestamp":1424474599000},"page":"299-307","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["Assessing the corneal power change after refractive surgery using Scheimpflug imaging"],"prefix":"10.1007","volume":"35","author":[{"given":"Anders","family":"Gyldenkerne","sequence":"first","affiliation":[{"name":"Department of Ophthalmology Aarhus University Hospital Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anders","family":"Ivarsen","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Aarhus University Hospital Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jesper \u00d8.","family":"Hjortdal","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Aarhus University Hospital Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2015,2,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1755-3768.2012.02406.x"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.12-10208"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2012.07.021"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ophtha.2013.11.006"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2012.08.054"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0420.2007.00879.x"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.3928\/1081597X-20090917-07"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2012.12.031"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000000034"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.3928\/1081597X-20130723-03"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2013.11.032"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.09-4982"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(00)00816-6"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1475-1313.1995.9590569n.x"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-199706000-00019"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(00)00797-5"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1755-3768.1993.tb04966.x"},{"key":"e_1_2_7_19_1","doi-asserted-by":"crossref","first-page":"23","DOI":"10.3928\/1081-597X-20020101-03","article-title":"Prospective randomized study of corneal aberrations 1\u00a0year after radial keratotomy or photorefractive keratectomy","volume":"18","author":"Hjortdal J\u00d8","year":"2002","journal-title":"J Refract Surg"},{"key":"e_1_2_7_20_1","doi-asserted-by":"crossref","first-page":"S652","DOI":"10.3928\/1081-597X-20020901-30","article-title":"Vision science and its applications. 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