{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T01:55:54Z","timestamp":1789091754095,"version":"build-2803163510"},"reference-count":27,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2023,9,12]],"date-time":"2023-09-12T00:00:00Z","timestamp":1694476800000},"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":[[2024,1]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the safety and efficacy of the surgery of intracorneal ring segment implantation with 320\u00b0 of arc (320-ICRS) in patients with advanced keratoconus stage IV and maximum keratometry (Kmax) above 60 D.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A prospective, interventional case series study evaluating 25 eyes of 19 patients with keratoconus stage IV and Kmax\u2009&gt;\u200960D in which 320-ICRS were implanted using VisuMax\u00ae femtosecond. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), keratometric values (mean - mean-K, flat - K1, and steep - K2), maximum keratometry (Kmax), tomographic astigmatism, refractive astigmatism and asphericity (Q) were assessed preoperatively and at 3, 6 and 12 months after the procedure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The UDVA improved from 1.03\u2009\u00b1\u20090.28 LogMAR (20\/200) to 0.54\u2009\u00b1\u20090.21 LogMAR (20\/60), (p\u2009&lt;\u20090.001), the CDVA (with glasses) improved from 0.63\u2009\u00b1\u20090.29 LogMAR (20\/80) to 0.31\u2009\u00b1\u20090.16 LogMAR (20\/40),(p\u2009=\u20090.004), K1 reduced from 54.41\u2009\u00b1\u20094.46 D to 49.36\u2009\u00b1\u20094.11 D (p\u2009&lt;\u20090.001), K2 reduced from 61.15\u2009\u00b1\u20094.37 D to 53.715\u2009\u00b1\u20094.05 D, (p\u2009&lt;\u20090.001), mean-K reduced from 57.55\u2009\u00b1\u20094,17 D to 51.44\u2009\u00b1\u20093,94 D (p\u2009&lt;\u20090.001), Kmax reduced from 69.80\u2009\u00b1\u20098.20 D to 63.43\u2009\u00b1\u20096.31 D (p\u2009&lt;\u20090.001) and asphericity (Q) changed from \u22121.57\u2009\u00b1\u20090.35 to \u22120.77\u2009\u00b1\u20090.56 (p\u2009&lt;\u20090.001). A total of 89.9% patients reached BCVA wearing scleral contact lens\u2009\u00a00.2 LogMAR(20\/25).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>320-ICRS to treat advanced keratoconus appears to be an efficacious and safe procedure, being a surgical alternative to delay or even prevent corneal transplantation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11206721231201661","type":"journal-article","created":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T02:37:00Z","timestamp":1694572620000},"page":"71-78","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Results of intrastromal corneal ring implantation in advanced keratoconus With the aim of postpoing or avoiding corneal transplantation"],"prefix":"10.1177","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6990-9798","authenticated-orcid":false,"given":"Jordana Sandes Barbosa","family":"Soares","sequence":"first","affiliation":[{"name":"Cornea Department, Center for Reference in Ophthalmology, Federal University of Goi\u00e1s,Goi\u00e2nia (GO), Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lu\u00eds Fernando Oliveira Borges","family":"Chaves","sequence":"additional","affiliation":[{"name":"Cornea Department, Center for Reference in Ophthalmology, Federal University of Goi\u00e1s,Goi\u00e2nia (GO), Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonardo","family":"Torquetti","sequence":"additional","affiliation":[{"name":"Cornea Department, Center for Excellence in Ophthalmology, Par\u00e1 de Minas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paulo Ferrara de Almeida da","family":"Cunha","sequence":"additional","affiliation":[{"name":"Cornea Department, Paulo Ferrara Eye Clinic, Belo Horizonte, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcia","family":"Toledo","sequence":"additional","affiliation":[{"name":"Cornea Department, Center for Reference in Ophthalmology, Federal University of Goi\u00e1s,Goi\u00e2nia (GO), Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guilherme","family":"Rocha","sequence":"additional","affiliation":[{"name":"Cornea Department, Brasilia Ophthalmological Hospital; Av. L2 Sul SGAS 607 M\u00f3dulo G, Brasilia 70.200-670, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leopoldo","family":"Magacho","sequence":"additional","affiliation":[{"name":"Cornea Department, Center for Reference in Ophthalmology, Federal University of Goi\u00e1s,Goi\u00e2nia (GO), Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,9,12]]},"reference":[{"key":"bibr1-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/S0039-6257(97)00119-7"},{"issue":"11","key":"bibr2-11206721231201661","first-page":"184","volume":"116","author":"Maier P","year":"2019","journal-title":"Dtsch Arztebl Int"},{"key":"bibr3-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1097\/01.ico.0000164781.33538.b6"},{"key":"bibr4-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.survophthal.2015.02.004"},{"key":"bibr5-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1155\/2015\/916385"},{"key":"bibr6-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2003.12.005"},{"key":"bibr7-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2017.12.020"},{"key":"bibr8-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000001702"},{"key":"bibr9-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1177\/1120672118818018"},{"key":"bibr10-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1007\/s00417-011-1759-9"},{"key":"bibr11-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0b013e318172fc54"},{"key":"bibr12-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2009.07.040"},{"key":"bibr13-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1055\/s-0042-100626"},{"key":"bibr14-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(13)80617-7"},{"issue":"6","key":"bibr15-11206721231201661","first-page":"737","volume":"5","author":"Akdemir MO","year":"2012","journal-title":"Int J Ophthalmol"},{"key":"bibr16-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1076\/0927-3948(200006)821-0FT101"},{"key":"bibr17-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.clae.2010.04.006"},{"issue":"7","key":"bibr18-11206721231201661","author":"Keane M","year":"2014","journal-title":"Cochrane Database Syst Rev"},{"key":"bibr19-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/S0886-3350(01)01181-6"},{"key":"bibr20-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2006.02.012"},{"key":"bibr21-11206721231201661","doi-asserted-by":"publisher","DOI":"10.3928\/1081597X-20191010-02"},{"key":"bibr22-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1097\/01.ico.0000167883.63266.60"},{"key":"bibr23-11206721231201661","doi-asserted-by":"publisher","DOI":"10.3928\/1081597X-20180108-01"},{"key":"bibr24-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1097\/ICO.0000000000001709"},{"key":"bibr25-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcrs.2011.08.033"},{"key":"bibr26-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1177\/1120672121994731"},{"key":"bibr27-11206721231201661","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(88)33161-1"}],"container-title":["European Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11206721231201661","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/11206721231201661","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/11206721231201661","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T19:45:31Z","timestamp":1777405531000},"score":1,"resource":{"primary":{"URL":"http:\/\/journals.sagepub.com\/doi\/10.1177\/11206721231201661"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,9,12]]},"references-count":27,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2024,1]]}},"alternative-id":["10.1177\/11206721231201661"],"URL":"https:\/\/doi.org\/10.1177\/11206721231201661","relation":{},"ISSN":["1120-6721","1724-6016"],"issn-type":[{"value":"1120-6721","type":"print"},{"value":"1724-6016","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,9,12]]}}}