{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T15:15:01Z","timestamp":1790349301073,"version":"4.1.0"},"reference-count":25,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2017,3,17]],"date-time":"2017-03-17T00:00:00Z","timestamp":1489708800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003329","name":"Ministerio de Econom\u00eda y Competitividad","doi-asserted-by":"publisher","award":["FIS2014\u201058303\u2010P"],"award-info":[{"award-number":["FIS2014\u201058303\u2010P"]}],"id":[{"id":"10.13039\/501100003329","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ophthalmic Physiologic Optic"],"published-print":{"date-parts":[[2017,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To present and validate a stochastic eye model for developing keratoconus to e.g. improve optical corrective strategies. This could be particularly useful for researchers that do not have access to original keratoconic data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      The Scheimpflug tomography, ocular biometry and wavefront of 145 keratoconic right eyes were collected. These data were processed using principal component analysis for parameter reduction, followed by a multivariate Gaussian fit that produces a stochastic model for keratoconus (SyntEyes\n                      <jats:styled-content style=\"fixed-case\">KTC<\/jats:styled-content>\n                      ). The output of this model is filtered to remove the occasional incorrect topography patterns by either an automatic or manual procedure. Finally, the output of this keratoconus model is matched to that of the original model for normal eyes using the non\u2010corneal biometry to obtain a description of keratoconus development.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The synthetic data generated by the model were found to be significantly equal to the original data (non\u2010parametric Mann\u2013Whitney equivalence test; 145\/154 passed). The variability of the synthetic data, however, was often significantly less than that of the original data, especially for the higher order Zernike terms of corneal elevation (non\u2010parametric Levene test;\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05\/154). These results remained generally the same after applying either filter procedure to remove the synthetic eyes with incorrect topographies. Interpolation between matched pairs of normal and keratoconic SyntEyes appears to provide an adequate model for keratoconus progression.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The synthetic data provided by the proposed keratoconus model closely resembles actual clinical data and may be used for a range of research applications when (sufficient) real data is not available.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/opo.12369","type":"journal-article","created":{"date-parts":[[2017,3,17]],"date-time":"2017-03-17T02:52:47Z","timestamp":1489719167000},"page":"358-365","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["SyntEyes\n                    <scp>KTC<\/scp>\n                    : higher order statistical eye model for developing keratoconus"],"prefix":"10.1007","volume":"37","author":[{"given":"Jos J.","family":"Rozema","sequence":"first","affiliation":[{"name":"Department of Ophthalmology Antwerp University Hospital Edegem Belgium"},{"name":"Department of Medicine and Health Sciences Antwerp University Wilrijk Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pablo","family":"Rodriguez","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias ICMA, Consejo Superior de Investigaciones Cient\u00edficas &amp; Universidad de Zaragoza Zaragoza Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irene","family":"Ruiz Hidalgo","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Antwerp University Hospital Edegem Belgium"},{"name":"Department of Medicine and Health Sciences Antwerp University Wilrijk Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rafael","family":"Navarro","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias ICMA, Consejo Superior de Investigaciones Cient\u00edficas &amp; Universidad de Zaragoza Zaragoza Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie\u2010Jos\u00e9","family":"Tassignon","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Antwerp University Hospital Edegem Belgium"},{"name":"Department of Medicine and Health Sciences Antwerp University Wilrijk Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carina","family":"Koppen","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology Antwerp University Hospital Edegem Belgium"},{"name":"Department of Medicine and Health Sciences Antwerp University Wilrijk Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2017,3,17]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clae.2010.04.006"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.2010.185868"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/cxo.12352"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1364\/OE.14.011477"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1364\/OE.15.002753"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1364\/OE.20.012498"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1364\/JOSAA.2.001273"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1167\/8.2.13"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1117\/1.2960621"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.15-18067"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/opo.12155"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1097\/OPX.0000000000000296"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.10-6705"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000000802"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(00)00797-5"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006324-199706000-00019"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.OPX.0000159370.66540.34"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/eye.2013.276"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1201\/EBK1439808184"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1080\/01621459.1974.10482955"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/opo.12131"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1115\/1.4002934"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1167\/iovs.11-7395"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0130426"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1364\/JOSAA.23.000219"}],"container-title":["Ophthalmic 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