{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T23:43:23Z","timestamp":1787874203972,"version":"build-2784847793"},"reference-count":47,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Middle East Afr J Ophthalmol"],"published-print":{"date-parts":[[2014]]},"DOI":"10.4103\/0974-9233.124076","type":"journal-article","created":{"date-parts":[[2014,1,1]],"date-time":"2014-01-01T02:35:55Z","timestamp":1388543755000},"page":"3","source":"Crossref","is-referenced-by-count":53,"title":["Intrastromal corneal ring segments: How successful is the surgical treatment of keratoconus?"],"prefix":"10.4103","volume":"21","author":[{"given":"JorgeL","family":"Alio","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alfredo","family":"Vega-Estrada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Santiago","family":"Esperanza","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"RafaelI","family":"Barraquer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"MiguelA","family":"Teus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joaquim","family":"Murta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"key-10.4103\/0974-9233.124076-1","unstructured":"Fern\u00e1ndez Meijide N. Keratoconus Epidemiology. In: Albertazzi R, editor. Keratoconus: Guidelines for diagnosis and treatment. Buenos Aires, Argentina: Ediciones Cient\u00edficas Argentinas; 2010. p. 11-5."},{"key":"key-10.4103\/0974-9233.124076-2","first-page":"297","volume-title":"Keratoconus","author":"Rabinowitz","year":"1998","journal-title":"Surv Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-3","first-page":"1510","volume-title":"Contact lenses in the management of keratoconus","author":"Barnett","year":"2011","journal-title":"Cornea"},{"key":"key-10.4103\/0974-9233.124076-4","first-page":"1303","volume-title":"Intracorneal rings for keratoconus and keratectasia","author":"Ertan","year":"2007","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-5","first-page":"154","volume-title":"Intracorneal ring segments in ectatic corneal disease - A review","author":"Pinero","year":"2010","journal-title":"Clin Experiment Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-6","first-page":"1886","volume-title":"Intracorneal ring segment implantation for the management of keratoconus: Safety and efficacy","author":"Zare","year":"2007","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-7","first-page":"1022","volume-title":"Intacs in advanced keratoconus","author":"Shetty","year":"2008","journal-title":"Cornea"},{"key":"key-10.4103\/0974-9233.124076-8","first-page":"978","volume-title":"Intracorneal ring segments for keratoconus correction: Long-term follow-up","author":"Alio","year":"2006","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-9","first-page":"141","volume-title":"Collagen cross-linking: A new treatment paradigm in corneal disease - A review","author":"Snibson","year":"2010","journal-title":"Clin Experiment Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-10","first-page":"776","volume-title":"Outcomes from a modified microkeratome-assisted lamellar keratoplasty for keratoconus","author":"Busin","year":"2012","journal-title":"Arch Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-11","first-page":"489","volume-title":"Longitudinal changes in visual acuity in keratoconus","author":"Davis","year":"2006","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"key-10.4103\/0974-9233.124076-12","first-page":"1597","volume-title":"Keratoconus: Classification scheme based on videokeratography and clinical signs","author":"Li","year":"2009","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-13","first-page":"223","volume-title":"Collaborative longitudinal evaluation of keratoconus (CLEK) study: Methods and findings to date","author":"Wagner","year":"2007","journal-title":"Cont Lens Anterior Eye"},{"key":"key-10.4103\/0974-9233.124076-14","first-page":"4054","volume-title":"Vector analysis of evolutive corneal astigmatic changes in keratoconus","author":"Pinero","year":"2011","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"key-10.4103\/0974-9233.124076-15","first-page":"1948","volume-title":"Corneal biomechanics, refraction, and corneal aberrometry in keratoconus: An integrated study","author":"Pinero","year":"2010","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"key-10.4103\/0974-9233.124076-16","first-page":"1295","volume-title":"Two-year interval changes in orbscan II topography in eyes with keratoconus","author":"Sahin","year":"2008","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-17","first-page":"927","volume-title":"Progression of keratoconus by longitudinal assessment with corneal topography","author":"Choi","year":"2012","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"key-10.4103\/0974-9233.124076-18","first-page":"914","volume-title":"Mechanism of aberration balance and the effect on retinal image quality in keratoconus: Optical and visual characteristics of keratoconus","author":"Mihaltz","year":"2011","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-19","first-page":"588","volume-title":"Repeatability of ocular aberration measurements in patients with keratoconus","author":"Jinabhai","year":"2011","journal-title":"Ophthalmic Physiol Opt"},{"key":"key-10.4103\/0974-9233.124076-20","first-page":"539","volume-title":"Corneal higher order aberrations: A method to grade keratoconus","author":"Alio","year":"2006","journal-title":"J Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-21","first-page":"552","volume-title":"Keratoconus-integrated characterization considering anterior corneal aberrations, internal astigmatism, and corneal biomechanics","author":"Ali\u00f3","year":"2011","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-22","first-page":"339","volume-title":"Progression of keratoconus assessed by fourier analysis of videokeratography data","author":"Oshika","year":"2002","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-23","first-page":"439","volume-title":"Prognostic factors for the progression of keratoconus","author":"Tuft","year":"1994","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-24","first-page":"1022","volume-title":"Intacs in advanced keratoconus","author":"Shetty","year":"2008","journal-title":"Cornea"},{"key":"key-10.4103\/0974-9233.124076-25","first-page":"775","volume-title":"One-year results of intrastromal corneal ring segment implantation (KeraRing) using femtosecond laser in patients with keratoconus","author":"Coskunseven","year":"2008","journal-title":"Am J Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-26","first-page":"236","volume-title":"Long-term follow-up of intacs in keratoconus","author":"Kymionis","year":"2007","journal-title":"Am J Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-27","first-page":"1768","volume-title":"Long-term follow-up of intrastromal corneal ring segments in keratoconus","author":"Torquetti","year":"2009","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-28","first-page":"865","volume-title":"Treatment of keratoconus with ferrara ICRS and consideration of the efficacy of the ferrara nomogram in a 5-year follow-up","author":"Pesando","year":"2010","journal-title":"Eur J Ophthalmol"},{"key":"key-10.4103\/0974-9233.124076-29","first-page":"1234","volume-title":"Outcomes of intracorneal ring segments for the treatment of keratoconus: Five years follow-up analysis","author":"Vega-Estrada","year":"2013","journal-title":""},{"key":"key-10.4103\/0974-9233.124076-30","doi-asserted-by":"crossref","unstructured":"Vega-Estrada A, Alio JL, Brenner LF, Javaloy J, Plaza Puche AB, Barraquer RI, et al. Outcome analysis of intracorneal ring segments for the treatment of keratoconus based on visual, refractive, and aberrometric impairment. Am J Ophthalmol 2013;155:575-84.e1.","DOI":"10.1016\/j.ajo.2012.08.020"},{"key":"key-10.4103\/0974-9233.124076-31","first-page":"824","volume-title":"Corneal ring segments (INTACS) for the treatment of asymmetrical astigmatism of the keratoconus, follow-up after 2 years","author":"Tunc","year":"2003","journal-title":"J Fr Ophtalmol"},{"key":"key-10.4103\/0974-9233.124076-32","first-page":"1117","volume-title":"Correcting keratoconus with intracorneal rings","author":"Colin","year":"2000","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-33","first-page":"1031","volume-title":"Intacs for keratoconus","author":"Boxer","year":"2003","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-34","first-page":"1521","volume-title":"Intacs implantation using a femtosecond laser for management of keratoconus: Comparison of 306 cases in different stages","author":"Ertan","year":"2008","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-35","first-page":"1643","volume-title":"Intrastromal corneal ring segment implantation by femtosecond laser for keratoconus correction","author":"Shabayek","year":"2007","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-36","first-page":"1947","volume-title":"Ferrara intrastromal corneal rings for the correction of keratoconus","author":"Siganos","year":"2002","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-37","first-page":"812","volume-title":"Ferrara intracorneal ring segments for keratoconus","author":"Kwitko","year":"2004","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-38","first-page":"1675","volume-title":"Refractive and aberrometric outcomes of intracorneal ring segments for keratoconus: Mechanical versus femtosecond-assisted procedures","author":"Pi\u00f1ero","year":"2009","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-39","first-page":"747","volume-title":"European clinical evaluation: Use of intacs for the treatment of keratoconus","author":"Colin","year":"2006","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-40","first-page":"11","volume-title":"Intrastromal corneal ring segment implantation for the treatment of keratoconus","author":"Kubaloglu","year":"2011","journal-title":"Cornea"},{"key":"key-10.4103\/0974-9233.124076-41","first-page":"110","volume-title":"Intrastromal corneal ring segment SK implantation for moderate to severe keratoconus","author":"Sansanayudh","year":"2010","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-42","first-page":"29","volume-title":"Modified intracorneal ring segment implantations (INTACS) for the management of moderate to advanced keratoconus: Efficacy and complications","author":"Kanellopoulos","year":"2006","journal-title":"Cornea"},{"key":"key-10.4103\/0974-9233.124076-43","first-page":"1117","volume-title":"Correcting keratoconus with intracorneal rings","author":"Colin","year":"2000","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-44","first-page":"1947","volume-title":"Ferrara intrastromal corneal rings for the correction of keratoconus","author":"Siganos","year":"2002","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-45","first-page":"943","volume-title":"One or 2 intacs segments for the correction of keratoconus","author":"Alio","year":"2005","journal-title":"J Cataract Refract Surg"},{"key":"key-10.4103\/0974-9233.124076-46","first-page":"1643","volume-title":"Intrastromal corneal ring segment implantation by femtosecond laser for keratoconus correction","author":"Shabayek","year":"2007","journal-title":"Ophthalmology"},{"key":"key-10.4103\/0974-9233.124076-47","first-page":"102","volume-title":"Corneal aberrometric and refractive performance of 2 intrastromal corneal ring segment models in early and moderate ectatic disease","author":"Pinero","year":"2010","journal-title":"J Cataract Refract Surg"}],"container-title":["Middle East African Journal of Ophthalmology"],"original-title":[],"language":"en","deposited":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T19:22:11Z","timestamp":1786648931000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/0974-9233.124076"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014]]},"references-count":47,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2014]]}},"alternative-id":["124076"],"URL":"https:\/\/doi.org\/10.4103\/0974-9233.124076","relation":{},"ISSN":["0974-9233"],"issn-type":[{"value":"0974-9233","type":"print"}],"subject":[],"published":{"date-parts":[[2014]]}}}