{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T20:14:10Z","timestamp":1785788050414,"version":"3.56.0"},"reference-count":20,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2021,3,15]],"date-time":"2021-03-15T00:00:00Z","timestamp":1615766400000},"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":[[2021,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objective:<\/jats:title>\n                    <jats:p>To investigate the role of ICRS in halting keratoconus progression in a large sample of patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>A retrospective, non-comparative, interventional study based on the review of medical records of patients diagnosed with keratoconus who underwent Ferrara corneal ring segment implantation. A retrospective chart analysis study of 123 operated eyes with follow-up ranging from 3 to 16\u2009years (mean 5.3\u2009\u00b1\u20093.6\u2009years) was performed. This study was carried out at Ocular Surgery Unit, S\u00e3o Paulo, Brazil. All topographic data were obtained from Pentacam (Oculus, Arlington, USA). The same surgeon performed all surgeries, and the Ferrara ICRS nomogram was used for ICRS selection in all cases.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Corrected distance visual acuity, keratometry, and topographic astigmatism improved in most cases, with statistical significance. In 42 eyes (53.8%), there was an increase in K1 or K2, and in 36 (46.2%), there was a reduction or maintenance in K1. Considering a difference higher than 1\u2009D, between 3-month post-surgery and final visit (group 3), 32 eyes (41%) showed an increase, and 46 eyes (59%) ended equal or below this value.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The implantation of ICRS showed improvement in visual and keratometric indexes. The majority of patients did not increase more than one diopter in keratometric values after ICRS implantation. ICRS may be effective for slowing disease progression, especially in older patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11206721211000646","type":"journal-article","created":{"date-parts":[[2021,3,15]],"date-time":"2021-03-15T12:52:46Z","timestamp":1615812766000},"page":"3483-3489","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":18,"title":["Evaluation of keratoconus progression and visual improvement after intrastromal corneal ring segments implantation: A retrospective study"],"prefix":"10.1177","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4441-4304","authenticated-orcid":false,"given":"Bernardo Kaplan","family":"Moscovici","sequence":"first","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo \u2013 Unifesp, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3665-6522","authenticated-orcid":false,"given":"Pablo Felipe","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo \u2013 Unifesp, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renan Albert Mendon\u00e7a","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo \u2013 Unifesp, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Livia Cristina","family":"Rios","sequence":"additional","affiliation":[{"name":"Banco de Olhos de Sorocaba, Sorocaba, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosangela","family":"Simoncelli","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo \u2013 Unifesp, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcela Mara Silva","family":"Freitas","sequence":"additional","affiliation":[{"name":"Universidade Federal de S\u00e3o Paulo \u2013 Unifesp, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1749-9608","authenticated-orcid":false,"given":"Leonardo","family":"Torquetti","sequence":"additional","affiliation":[{"name":"Centro de Excel\u00eancia em Oftalmologia, Par\u00e1 de Minas, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2021,3,15]]},"reference":[{"key":"bibr1-11206721211000646","unstructured":"Rabinowitz YS, Barbara A. 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