{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T21:58:10Z","timestamp":1789077490865,"version":"build-2803163510"},"reference-count":14,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2023,2,5]],"date-time":"2023-02-05T00:00:00Z","timestamp":1675555200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/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":[[2023,5]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare the clinical outcomes of intracorneal ring segment (ICRS) implantation in eyes with advanced vs. mild\/moderate keratoconus (KCN).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A retrospective analysis of 141 eyes of 111 patients with KCN who underwent ICRS implantation. Preoperative maximum keratometry (Kmax) was &lt;57 diopters (D) in 70 eyes and &gt;57 D in 71 eyes. Postoperatively, corrected distance visual acuity (CDVA), Kmax, and intraoperative and postoperative complications were assessed at 1 day, 1 month, and 1 year.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Corneas with a preoperative Kmax &gt;57 D experienced greater reduction in axial curvature after ICRS implantation than corneas with a preoperative Kmax &lt;57 D (7.0 D vs. 5.5 D, p=0.005) and gained more Snellen lines of CDVA (3 vs. 1, p&lt;0.001) by 1 year postoperatively. The incidences of the most prevalent complications (explantation, extrusion, and infectious keratitis) did not differ significantly between the two groups (p=0.29, p=0.99, p=0.98).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The visual and topographic effects of ICRS implantation are greater in eyes with more advanced KCN, with no increase in the incidence of the most common complications.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11206721231155213","type":"journal-article","created":{"date-parts":[[2023,2,6]],"date-time":"2023-02-06T02:16:58Z","timestamp":1675649818000},"page":"1324-1330","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Intracorneal ring segment implantation in advanced Keratoconus"],"prefix":"10.1177","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2967-3888","authenticated-orcid":false,"given":"Philip W.","family":"Dockery","sequence":"first","affiliation":[{"name":"Wills Eye Hospital, Philadelphia, USA"},{"name":"Parker Cornea, Birmingham, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John S.","family":"Parker","sequence":"additional","affiliation":[{"name":"Parker Cornea, Birmingham, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erik M.","family":"Massenzio","sequence":"additional","affiliation":[{"name":"Wills Eye Hospital, Philadelphia, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack S.","family":"Parker","sequence":"additional","affiliation":[{"name":"Parker Cornea, Birmingham, USA"},{"name":"Netherlands Institute for Innovative Ocular Surgery \u2013 USA (NIIOS-USA), San Diego, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,2,5]]},"reference":[{"key":"bibr1-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.jfo.2013.05.004"},{"key":"bibr2-11206721231155213","doi-asserted-by":"publisher","DOI":"10.3928\/1081-597X-19960101-08"},{"key":"bibr3-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(97)30183-3"},{"key":"bibr4-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(00)00451-X"},{"key":"bibr5-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2006.02.012"},{"key":"bibr6-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1001\/archopht.123.10.1308"},{"key":"bibr7-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1097\/IIO.0b013e3181e21b76"},{"key":"bibr8-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9394(02)02220-1"},{"key":"bibr9-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.survophthal.2015.02.004"},{"key":"bibr10-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.ophtha.2006.02.058"},{"key":"bibr11-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.jfo.2020.03.019"},{"key":"bibr12-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-018-36668-7"},{"key":"bibr13-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajo.2006.10.041"},{"key":"bibr14-11206721231155213","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2011.07.031"}],"container-title":["European Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11206721231155213","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/11206721231155213","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11206721231155213","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T19:44:51Z","timestamp":1777405491000},"score":1,"resource":{"primary":{"URL":"http:\/\/journals.sagepub.com\/doi\/10.1177\/11206721231155213"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,2,5]]},"references-count":14,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2023,5]]}},"alternative-id":["10.1177\/11206721231155213"],"URL":"https:\/\/doi.org\/10.1177\/11206721231155213","relation":{},"ISSN":["1120-6721","1724-6016"],"issn-type":[{"value":"1120-6721","type":"print"},{"value":"1724-6016","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,2,5]]}}}