{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T06:00:45Z","timestamp":1780293645562,"version":"3.54.0"},"reference-count":32,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:00:00Z","timestamp":1775606400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:00:00Z","timestamp":1775606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Int Ophthalmol"],"DOI":"10.1007\/s10792-026-04038-2","type":"journal-article","created":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T09:26:15Z","timestamp":1775640375000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Visual outcomes following implantation of intracorneal rings with sharp and round triangular cross-section designs in keratoconus"],"prefix":"10.1007","volume":"46","author":[{"given":"Somaye","family":"Soleimani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiva","family":"Pirhadi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khosrow","family":"Jadidi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Mirzajani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamile","family":"Abolghasemi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omid","family":"Bagherzadeh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamidreza","family":"Heidari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge L.","family":"Alio","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamed","family":"Momeni-Moghaddam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,4,8]]},"reference":[{"key":"4038_CR1","doi-asserted-by":"publisher","first-page":"394","DOI":"10.1111\/cxo.12859","volume":"102","author":"K Jadidi","year":"2019","unstructured":"Jadidi K, Naderi M, Mosavi SA, Nejat F, Aghamolaei H, Serahati S (2019) Pre-operative factors influencing post-operative outcomes from MyoRing implantation in keratoconus. Clin Exp Optom 102:394\u2013398","journal-title":"Clin Exp Optom"},{"key":"4038_CR2","doi-asserted-by":"publisher","first-page":"1185","DOI":"10.1007\/s10792-016-0385-2","volume":"37","author":"WS Al-Tuwairqi","year":"2017","unstructured":"Al-Tuwairqi WS, Osuagwu UL, Razzouk H, AlHarbi A, Ogbuehi KC (2017) Clinical evaluation of two types of intracorneal ring segments (ICRS) for keratoconus. Int Ophthalmol 37:1185\u20131198","journal-title":"Int Ophthalmol"},{"key":"4038_CR3","doi-asserted-by":"publisher","first-page":"139","DOI":"10.1177\/1120672118818018","volume":"30","author":"GADN Rocha","year":"2020","unstructured":"Rocha GADN, de Ferrara Almeida Cunha P, Torquetti Costa L, de Barbosa Sousa L (2020) Outcomes of a 320-degree intrastromal corneal ring segment implantation for keratoconus: Results of a 6-month follow-up. Eur J Ophthalmol 30:139\u2013146","journal-title":"Eur J Ophthalmol"},{"key":"4038_CR4","first-page":"1","volume":"9","author":"M-J Kang","year":"2019","unstructured":"Kang M-J, Byun Y-S, Yoo Y-S, Whang W-J, Joo C-K (2019) Long-term outcome of intrastromal corneal ring segments in keratoconus: Five-year follow up. Sci Rep 9:1\u20137","journal-title":"Sci Rep"},{"key":"4038_CR5","doi-asserted-by":"publisher","first-page":"154","DOI":"10.1111\/j.1442-9071.2010.02197.x","volume":"38","author":"DP Pi\u00f1ero","year":"2010","unstructured":"Pi\u00f1ero DP, Alio JL (2010) Intracorneal ring segments in ectatic corneal disease\u2013a review. J Clin Exp Ophthalmol 38:154\u2013167","journal-title":"J Clin Exp Ophthalmol"},{"key":"4038_CR6","first-page":"1643","volume":"114","author":"MH Shabayek","year":"2007","unstructured":"Shabayek MH, Ali\u00f3 JL (2007) Intrastromal corneal ring segment implantation by femtosecond laser for keratoconus correction. J Ophthalmol 114:1643\u20131652","journal-title":"J Ophthalmol"},{"key":"4038_CR7","first-page":"871","volume":"26","author":"IM Hamdi","year":"2010","unstructured":"Hamdi IM (2010) Optical and topographic changes in keratoconus after implantation of Ferrara intracorneal ring segments. J Cataract Refract Surg 26:871\u2013880","journal-title":"J Cataract Refract Surg"},{"key":"4038_CR8","doi-asserted-by":"publisher","first-page":"444","DOI":"10.1016\/j.jcrs.2015.11.044","volume":"42","author":"M Israel","year":"2016","unstructured":"Israel M, Yousif MO, Osman NA, Nashed M, Abdelfattah NS (2016) Keratoconus correction using a new model of intrastromal corneal ring segments. J Cataract Refract Surg 42:444\u2013454","journal-title":"J Cataract Refract Surg"},{"key":"4038_CR9","doi-asserted-by":"publisher","first-page":"295","DOI":"10.1016\/j.jcrs.2017.12.020","volume":"44","author":"MO Yousif","year":"2018","unstructured":"Yousif MO, Said AMA (2018) Comparative study of 3 intracorneal implant types to manage central keratoconus. J Refract Surg 44:295\u2013305","journal-title":"J Refract Surg"},{"key":"4038_CR10","doi-asserted-by":"publisher","first-page":"102","DOI":"10.1016\/j.jcrs.2009.07.030","volume":"36","author":"DP Pinero","year":"2010","unstructured":"Pinero DP, Ali\u00f3 JL, El Kady B, Pascual I (2010) Corneal aberrometric and refractive performance of 2 intrastromal corneal ring segment models in early and moderate ectatic disease. J Cataract Refract Surg 36:102\u2013109","journal-title":"J Cataract Refract Surg"},{"key":"4038_CR11","doi-asserted-by":"publisher","first-page":"1947","DOI":"10.1016\/S0886-3350(02)01495-5","volume":"28","author":"D Siganos","year":"2002","unstructured":"Siganos D, Ferrara P, Chatzinikolas K, Bessis N, Papastergiou G (2002) Ferrara intrastromal corneal rings for the correction of keratoconus. J Cataract Refract Surg 28:1947\u20131951","journal-title":"J Cataract Refract Surg"},{"key":"4038_CR12","first-page":"146","volume":"15","author":"JF Fleming","year":"1989","unstructured":"Fleming JF, Wan WL, Schanzlin DJ (1989) The theory of corneal curvature change with the intrastromal corneal ring. Cont Lens Anterior Eye 15:146\u2013150","journal-title":"Cont Lens Anterior Eye"},{"key":"4038_CR13","doi-asserted-by":"publisher","DOI":"10.4172\/2155-9570.1000640","volume":"8","author":"K Jadidi","year":"2017","unstructured":"Jadidi K, Nejat F, Alishiri A, Janani L, Pashaei A (2017) Aberrometric outcomes of intrastromal corneal ring segment (KeraRing 355) implantation using PocketMaker Microkeratome in patients with keratoconus. J Clin Exp Ophthalmol 8:2","journal-title":"J Clin Exp Ophthalmol"},{"key":"4038_CR14","doi-asserted-by":"publisher","first-page":"59","DOI":"10.1007\/978-3-642-21840-8_3","volume-title":"Quick guide to the management of keratoconus","author":"MM Sinjab","year":"2012","unstructured":"Sinjab MM (2012) Management of keratoconus. Quick guide to the management of keratoconus. Springer, Berlin Heidelberg, pp 59\u201393"},{"key":"4038_CR15","first-page":"916385","volume":"1","author":"K Jadidi","year":"2015","unstructured":"Jadidi K, Mosavi SA, Nejat F, Naderi M, Janani L, Serahati S (2015) Intrastromal corneal ring segment implantation (Keraring 355) in patients with central keratoconus: 6-month follow-up. J Ophthalmology 1:916385","journal-title":"J Ophthalmology"},{"key":"4038_CR16","doi-asserted-by":"publisher","first-page":"907","DOI":"10.3928\/1081597X-20110906-03","volume":"27","author":"V Kaya","year":"2011","unstructured":"Kaya V, Utine CA, Karakus SH, Kavadarli I, Yilmaz \u00d6F (2011) Refractive and visual outcomes after Intacs vs Ferrara intrastromal corneal ring segment implantation for keratoconus: a comparative study. J Refract Surg 27:907\u2013912","journal-title":"J Refract Surg"},{"key":"4038_CR17","first-page":"6783181","volume":"1","author":"MM Abdellah","year":"2019","unstructured":"Abdellah MM, Ammar HG (2019) Femtosecond laser implantation of a 355-degree intrastromal corneal ring segment in keratoconus: a three-year follow-up. J Ophthalmology 1:6783181","journal-title":"J Ophthalmology"},{"key":"4038_CR18","doi-asserted-by":"publisher","first-page":"1438","DOI":"10.1097\/ICO.0000000000001702","volume":"37","author":"MSA Elaziz","year":"2018","unstructured":"Elaziz MSA, Sarhan ARES, Ibrahim AM, Haggag HAE (2018) Anterior segment changes after femtosecond laser-assisted implantation of a 355-degree intrastromal corneal ring segment in advanced keratoconus. Cornea 37:1438\u20131443","journal-title":"Cornea"},{"issue":"7","key":"4038_CR19","first-page":"1197","volume":"17","author":"K Jadidi","year":"2017","unstructured":"Jadidi K, Mohazzab-Torabi S, Nejat F, Pirhadi S (2017) Comparison of preoperative and postoperative intraocular lens power values in eyes with Keraring implantation. Int J Ophthalmol Eye Sci. 17(7):1197\u20131201","journal-title":"Int J Ophthalmol Eye Sci."},{"key":"4038_CR20","doi-asserted-by":"publisher","first-page":"370","DOI":"10.6061\/clinics\/2017(06)07","volume":"72","author":"T Tognon","year":"2017","unstructured":"Tognon T, Campos M, Wengrzynovski JP, Barella KA, Pasqualotti A, de Brito Martins LA et al (2017) Indications and visual outcomes of intrastromal corneal ring segment implantation in a large patient series. Clinics (Sao Paulo) 72:370\u2013377","journal-title":"Clinics (Sao Paulo)"},{"key":"4038_CR21","doi-asserted-by":"publisher","first-page":"433","DOI":"10.1111\/j.1442-9071.2011.02698.x","volume":"40","author":"G Ferrara","year":"2012","unstructured":"Ferrara G, Torquetti L, Ferrara P, Merayo-Lloves J (2012) Intrastromal corneal ring segments: visual outcomes from a large case series. Clin Exp Ophthalmol 40:433\u2013439","journal-title":"Clin Exp Ophthalmol"},{"key":"4038_CR22","doi-asserted-by":"publisher","first-page":"513","DOI":"10.1080\/02713683.2016.1200098","volume":"42","author":"G Carracedo","year":"2017","unstructured":"Carracedo G, Recchioni A, Alejandre-Alba N, Martin-Gil A, Batres L, Morote IJ et al (2017) Signs and symptoms of dry eye in keratoconus patients before and after intrastromal corneal rings surgery. Curr Eye Res 42:513\u2013519","journal-title":"Curr Eye Res"},{"key":"4038_CR23","doi-asserted-by":"publisher","DOI":"10.1167\/tvst.11.3.19","volume":"11","author":"N Alejandre","year":"2022","unstructured":"Alejandre N, Perez-Merino P, Velarde G, Jimenez-Alfaro I, Marcos S (2022) Optical evaluation of intracorneal ring segment surgery in keratoconus. Transl Vis Sci Technol 11:19","journal-title":"Transl Vis Sci Technol"},{"key":"4038_CR24","doi-asserted-by":"publisher","first-page":"1430","DOI":"10.1097\/OPX.0000000000000063","volume":"90","author":"M Vinas","year":"2013","unstructured":"Vinas M, de Gracia P, Dorronsoro C, Sawides L, Marin G, Hernandez M et al (2013) Astigmatism impact on visual performance: meridional and adaptational effects. Optom Vis Sci 90:1430\u20131442","journal-title":"Optom Vis Sci"},{"key":"4038_CR25","doi-asserted-by":"publisher","first-page":"81","DOI":"10.2147\/OPTH.S120267","volume":"11","author":"MA Heikal","year":"2017","unstructured":"Heikal MA, Abdelshafy M, Soliman TT, Hamed AM (2017) Refractive and visual outcomes after Keraring intrastromal corneal ring segment implantation for keratoconus assisted by femtosecond laser at 6 months follow-up. Clin Ophthalmol 11:81","journal-title":"Clin Ophthalmol"},{"key":"4038_CR26","doi-asserted-by":"publisher","first-page":"1251","DOI":"10.1016\/j.jcrs.2017.07.026","volume":"43","author":"MM Sadoughi","year":"2017","unstructured":"Sadoughi MM, Einollahi B, Veisi AR, Zare M, Sedaghat MR, Roshandel D et al (2017) Femtosecond laser implantation of a 340-degree intrastromal corneal ring segment in keratoconus: short-term outcomes. J Cataract Refract Surg 43:1251\u20131256","journal-title":"J Cataract Refract Surg"},{"key":"4038_CR27","doi-asserted-by":"publisher","first-page":"162","DOI":"10.4103\/ojo.ojo_228_23","volume":"18","author":"S Mohaghegh","year":"2025","unstructured":"Mohaghegh S, Bamdad S, Kangari H, Khalili MR, Javaheri S (2025) Vision related quality of life in keratoconus patients with intra stromal corneal ring segments implantation. Oman J Ophthalmol 18:162\u2013166","journal-title":"Oman J Ophthalmol"},{"key":"4038_CR28","first-page":"1283","volume":"9","author":"L Torquetti","year":"2016","unstructured":"Torquetti L, Arce C, Merayo-Lloves J, Ferrara G, Ferrara P, Signorelli B et al (2016) Evaluation of anterior and posterior surfaces of the cornea using a dual Scheimpflug analyzer in keratoconus patients implanted with intrastromal corneal ring segments. Int J Ophthalmol 9:1283\u20131288","journal-title":"Int J Ophthalmol"},{"issue":"116\u2013127","key":"4038_CR29","volume":"157","author":"P P\u00e9rez-Merino","year":"2014","unstructured":"P\u00e9rez-Merino P, Ortiz S, Alejandre N, De Castro A, Jim\u00e9nez-Alfaro I, Marcos S (2014) Ocular and optical coherence tomography-based corneal aberrometry in keratoconic eyes treated by intracorneal ring segments. Am J Ophthalmol 157(116\u2013127):e111","journal-title":"Am J Ophthalmol"},{"issue":"575\u2013584","key":"4038_CR30","volume":"155","author":"A Vega-Estrada","year":"2013","unstructured":"Vega-Estrada A, Alio JL, Brenner LF, Javaloy J, Puche ABP, Barraquer RI et al (2013) Outcome analysis of intracorneal ring segments for the treatment of keratoconus based on visual, refractive, and aberrometric impairment. Am J Ophthalmol 155(575\u2013584):e571","journal-title":"Am J Ophthalmol"},{"key":"4038_CR31","doi-asserted-by":"publisher","first-page":"236","DOI":"10.1016\/j.ajo.2006.10.041","volume":"143","author":"GD Kymionis","year":"2007","unstructured":"Kymionis GD, Siganos CS, Tsiklis NS, Anastasakis A, Yoo SH, Pallikaris AI et al (2007) Long-term follow-up of Intacs in keratoconus. Am J Ophthalmol 143:236\u2013244","journal-title":"Am J Ophthalmol"},{"key":"4038_CR32","doi-asserted-by":"publisher","first-page":"1308","DOI":"10.1001\/archopht.123.10.1308","volume":"123","author":"S Levinger","year":"2005","unstructured":"Levinger S, Pokroy R (2005) Keratoconus managed with Intacs: one-year results. Arch Ophthalmol 123:1308\u20131314","journal-title":"Arch Ophthalmol"}],"container-title":["International Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10792-026-04038-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s10792-026-04038-2","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10792-026-04038-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T05:06:50Z","timestamp":1780290410000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s10792-026-04038-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,8]]},"references-count":32,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["4038"],"URL":"https:\/\/doi.org\/10.1007\/s10792-026-04038-2","relation":{},"ISSN":["1573-2630"],"issn-type":[{"value":"1573-2630","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,8]]},"assertion":[{"value":"12 September 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 March 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 April 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"29 May 2026","order":5,"name":"change_date","label":"Change Date","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Update","order":6,"name":"change_type","label":"Change Type","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The original online version of this article was revised due to update in the affiliation tagging.","order":7,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}],"article-number":"197"}}