{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T16:17:49Z","timestamp":1776183469877,"version":"3.50.1"},"reference-count":35,"publisher":"Medknow","issue":"4","license":[{"start":{"date-parts":[[2015,10,1]],"date-time":"2015-10-01T00:00:00Z","timestamp":1443657600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2015,3,11]],"date-time":"2015-03-11T00:00:00Z","timestamp":1426032000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["saudiophthaljournal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Saudi Journal of Ophthalmology"],"published-print":{"date-parts":[[2015,10]]},"DOI":"10.1016\/j.sjopt.2015.02.005","type":"journal-article","created":{"date-parts":[[2015,3,18]],"date-time":"2015-03-18T16:33:18Z","timestamp":1426696398000},"page":"249-254","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":17,"title":["Corneal collagen crosslinking for progressive keratoconus in Saudi Arabia: One-year controlled clinical trial analysis"],"prefix":"10.4103","volume":"29","author":[{"given":"Ashbala","family":"Khattak","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fouad R.","family":"Nakhli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haider R.","family":"Cheema","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2581","reference":[{"key":"10.1016\/j.sjopt.2015.02.005_b0005","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1038\/eye.1987.2","article-title":"Keratoconus. The Doyne Lecture","volume":"1","author":"Pouliquen","year":"1987","journal-title":"Eye"},{"key":"10.1016\/j.sjopt.2015.02.005_b0010","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1097\/00006324-199703000-00025","article-title":"Keratoconus. Age of onset and natural history","volume":"74","author":"Jim\u00e9nez","year":"1997","journal-title":"Optometry Vision Sci"},{"key":"10.1016\/j.sjopt.2015.02.005_b0015","doi-asserted-by":"crossref","first-page":"356","DOI":"10.1097\/01.icu.0000233954.86723.25","article-title":"Crosslinking treatment of progressive keratoconus: new hope","volume":"17","author":"Wollensak","year":"2006","journal-title":"Curr Opin Ophthalmol"},{"issue":"5","key":"10.1016\/j.sjopt.2015.02.005_b0020","doi-asserted-by":"crossref","first-page":"620","DOI":"10.1016\/S0002-9394(02)02220-1","article-title":"Riboflavin\/ultraviolet-a-induced collagen crosslinking for the treatment of Keratoconus","volume":"135","author":"Wollensak","year":"2003","journal-title":"Am J Ophthalmol"},{"issue":"6","key":"10.1016\/j.sjopt.2015.02.005_b0025","doi-asserted-by":"crossref","first-page":"584","DOI":"10.1097\/01.ico.0000121708.58571.5b","article-title":"Changing indications for corneal transplantation at the King Khaled Eye Specialist Hospital (1983\u20132002)","volume":"23","author":"Al-Towerki","year":"2004","journal-title":"Cornea"},{"issue":"2","key":"10.1016\/j.sjopt.2015.02.005_b0030","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1007\/s10792-009-9295-x","article-title":"King Khaled Eye Specialist Hospital Cornea Transplant Study Group. Outcome of primary adult optical penetrating keratoplasty with imported donor corneas","volume":"30","author":"Wagoner","year":"2010","journal-title":"Int Ophthalmol"},{"issue":"1","key":"10.1016\/j.sjopt.2015.02.005_b0035","doi-asserted-by":"crossref","first-page":"67","DOI":"10.12816\/0006023","article-title":"Penetrating keratoplasty for keratoconus: visual and graft survival outcomes","volume":"7","author":"Al-Mohaimeed","year":"2013","journal-title":"Int J Health Sci (Qassim)"},{"issue":"3","key":"10.1016\/j.sjopt.2015.02.005_b0040","doi-asserted-by":"crossref","first-page":"425","DOI":"10.1016\/j.jcrs.2008.11.046","article-title":"Corneal collagen crosslinking using riboflavin and ultraviolet-A light for Keratoconus: one-year analysis using Scheimpflug imaging","volume":"35","author":"Grewal","year":"2009","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0045","doi-asserted-by":"crossref","first-page":"585","DOI":"10.1016\/j.ajo.2009.10.021","article-title":"Long-term results of riboflavin ultraviolet A corneal collagen cross-linking for keratoconus in Italy: the Siena Eye Cross Study","volume":"149","author":"Caporossi","year":"2010","journal-title":"Am J Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0050","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/j.jcrs.2010.07.030","article-title":"Corneal collagen crosslinking for keratoconus and corneal ectasia: one year results","volume":"37","author":"Hersh","year":"2011","journal-title":"J Cataract Refract Surg"},{"issue":"12","key":"10.1016\/j.sjopt.2015.02.005_b0055","doi-asserted-by":"crossref","first-page":"2137","DOI":"10.1016\/j.jcrs.2011.08.026","article-title":"Corneal collagen crosslinking in progressive keratoconus: Multicenter results from the French National Reference Center for Keratoconus","volume":"37","author":"Asri","year":"2011","journal-title":"J Cataract Refract Surg"},{"issue":"7","key":"10.1016\/j.sjopt.2015.02.005_b0060","doi-asserted-by":"crossref","first-page":"S720","DOI":"10.3928\/1081597X-20080901-15","article-title":"A randomized controlled trial of corneal collagen cross-linking in progressive keratoconus: preliminary results","volume":"24","author":"Wittig-Silva","year":"2008","journal-title":"J Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0065","doi-asserted-by":"crossref","first-page":"796","DOI":"10.1016\/j.jcrs.2007.12.039","article-title":"Collagen crosslinking with riboflavin and ultraviolet-A light in keratoconus: long-term results","volume":"34","author":"Raiskup-Wolf","year":"2008","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0070","doi-asserted-by":"crossref","first-page":"369","DOI":"10.1016\/j.ophtha.2008.09.048","article-title":"Refractive, topographic, tomographic, and aberrometric analysis of keratoconic eyes undergoing corneal cross-linking","volume":"116","author":"Vinciguerra","year":"2009","journal-title":"Ophthalmology"},{"issue":"June 21","key":"10.1016\/j.sjopt.2015.02.005_b0075","article-title":"Epithelial-disruption collagen crosslinking for keratoconus: one-year results","author":"Rechichi","year":"2013","journal-title":"J Cataract Refract Surg"},{"issue":"4","key":"10.1016\/j.sjopt.2015.02.005_b0080","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1016\/j.jcrs.2011.11.029","article-title":"Patient subjective visual function after corneal collagen crosslinking for keratoconus and corneal ectasia","volume":"38","author":"Brooks","year":"2012","journal-title":"J Cataract Refract Surg"},{"issue":"8","key":"10.1016\/j.sjopt.2015.02.005_b0085","doi-asserted-by":"crossref","first-page":"1488","DOI":"10.1016\/j.jcrs.2011.03.041","article-title":"Flattening of the cornea after collagen crosslinking for keratoconus","volume":"37","author":"Koller","year":"2011","journal-title":"J Cataract Refract Surg"},{"issue":"4","key":"10.1016\/j.sjopt.2015.02.005_b0090","doi-asserted-by":"crossref","first-page":"371","DOI":"10.3928\/1081597X-20090401-02","article-title":"Contralateral eye study of corneal collagen cross-linking with riboflavin and UVA irradiation in patients with keratoconus","volume":"25","author":"Coskunseven","year":"2009","journal-title":"J Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0095","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1007\/s10384-007-0453-2","article-title":"Longitudinal changes in corneal irregular astigmatism and visual acuity in eyes with keratoconus","volume":"51","author":"Suzuki","year":"2007","journal-title":"Jpn J Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0100","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1097\/01.ico.0000164831.87593.08","article-title":"Estimation of the incidence and factors predictive of corneal scarring in the Collaborative Longitudinal Evaluation of Keratoconus (CLEK) study; the CLEK study group","volume":"25","author":"Barr","year":"2005","journal-title":"Cornea"},{"issue":"4","key":"10.1016\/j.sjopt.2015.02.005_b0105","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1016\/j.jcrs.2010.10.052","article-title":"Corneal thickness changes after corneal collagen crosslinking for keratoconus and corneal ectasia: one-year results","volume":"37","author":"Greenstein","year":"2011","journal-title":"J Cataract Refract Surg"},{"issue":"March 7","key":"10.1016\/j.sjopt.2015.02.005_b0110","article-title":"Assessment of corneal topography indices after collagen crosslinking for keratoconus","author":"Hassan","year":"2013","journal-title":"Eur J Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0115","doi-asserted-by":"crossref","unstructured":"Viswanathan D, Males. Prospective longitudinal study of corneal collagen crosslinking in progressive keratoconus. J.Clin Experiment Ophthalmol2012 Nov 13.doi: 10.1111\/ceo.12035. [Epub ahead of print]PMID:23145528.","DOI":"10.1111\/ceo.12035"},{"issue":"3","key":"10.1016\/j.sjopt.2015.02.005_b0120","doi-asserted-by":"crossref","first-page":"803","DOI":"10.1007\/s00417-012-2133-2","article-title":"Graefes Arch Visual recovery after corneal crosslinking for keratoconus: a 1-year follow-up study","volume":"251","author":"Guber","year":"2013","journal-title":"Clin Exp Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0125","doi-asserted-by":"crossref","first-page":"S715","DOI":"10.3928\/1081597X-20080901-14","article-title":"Immunofluorescence confocal microscopy of porcine corneas following collagen cross-linking treatment with riboflavin and ultraviolet A","volume":"24","author":"Bottos","year":"2008","journal-title":"J Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0130","doi-asserted-by":"crossref","first-page":"1057","DOI":"10.1097\/01.ico.0000225720.38748.58","article-title":"Corneal cross-linking-induced stromal demarcation line","volume":"25","author":"Seiler","year":"2006","journal-title":"Cornea"},{"issue":"6","key":"10.1016\/j.sjopt.2015.02.005_b0135","doi-asserted-by":"crossref","first-page":"876","DOI":"10.1136\/bjo.2010.190843","article-title":"Interlamellar cohesion after corneal crosslinking using riboflavin and ultraviolet A light","volume":"95","author":"Wollensak","year":"2011","journal-title":"Br J Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0140","doi-asserted-by":"crossref","first-page":"527","DOI":"10.1016\/j.ajo.2008.05.042","article-title":"Corneal healing after riboflavin ultraviolet-A collagen cross-linking determined by confocal laser scanning microscopy in vivo: early and late modifications","volume":"146","author":"Mazzotta","year":"2008","journal-title":"Am J Ophthalmol"},{"key":"10.1016\/j.sjopt.2015.02.005_b0145","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1097\/00003226-200401000-00008","article-title":"Keratocyte apoptosis after corneal collagen cross-linking using riboflavin\/UVA treatment","volume":"23","author":"Wollensak","year":"2004","journal-title":"Cornea"},{"key":"10.1016\/j.sjopt.2015.02.005_b0150","doi-asserted-by":"crossref","first-page":"1037","DOI":"10.1590\/S0100-879X2003000800009","article-title":"Collagens and proteoglycans of the corneal extracellular matrix","volume":"36","author":"Michelacci","year":"2003","journal-title":"Braz J Med Biol Res"},{"key":"10.1016\/j.sjopt.2015.02.005_b0155","doi-asserted-by":"crossref","first-page":"1780","DOI":"10.1016\/S0886-3350(03)00407-3","article-title":"Stress-strain measurements of human and porcine corneas after riboflavin-ultraviolet-A-induced cross-linking","volume":"29","author":"Wollensak","year":"2003","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.sjopt.2015.02.005_b0160","doi-asserted-by":"crossref","first-page":"268","DOI":"10.1136\/bjo.2007.130104","article-title":"Non-destructive mechanical characterisation of UVA\/riboflavin crosslinked collagen hydrogels","volume":"92","author":"Ahearne","year":"2008","journal-title":"Br J Ophthalmol"},{"issue":"7","key":"10.1016\/j.sjopt.2015.02.005_b0165","doi-asserted-by":"crossref","first-page":"553","DOI":"10.3109\/02713683.2012.669007","article-title":"Identification of biomechanical properties of the cornea: the ocular response analyzer","volume":"37","author":"Terai","year":"2012","journal-title":"Curr Eye Res"},{"issue":"5","key":"10.1016\/j.sjopt.2015.02.005_b0170","doi-asserted-by":"crossref","first-page":"503","DOI":"10.1097\/01.ico.0000105827.85025.7f","article-title":"Collagen fiber diameter in the rabbit cornea after collagen crosslinking by riboflavin\/UVA","volume":"23","author":"Wollensak","year":"2004","journal-title":"Cornea"},{"issue":"2","key":"10.1016\/j.sjopt.2015.02.005_b0175","doi-asserted-by":"crossref","first-page":"292","DOI":"10.1016\/j.jcrs.2011.08.041","article-title":"Higher-order aberrations after corneal collagen crosslinking for keratoconus and corneal ectasia","volume":"38","author":"Greenstein","year":"2012","journal-title":"J Cataract Refract Surg"}],"container-title":["Saudi Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1319453415000302?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1319453415000302?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,8,20]],"date-time":"2020-08-20T14:48:51Z","timestamp":1597934931000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1319453415000302"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,10]]},"references-count":35,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2015,10]]}},"alternative-id":["S1319453415000302"],"URL":"https:\/\/doi.org\/10.1016\/j.sjopt.2015.02.005","relation":{},"ISSN":["1319-4534"],"issn-type":[{"value":"1319-4534","type":"print"}],"subject":[],"published":{"date-parts":[[2015,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Corneal collagen crosslinking for progressive keratoconus in Saudi Arabia: One-year controlled clinical trial analysis","name":"articletitle","label":"Article Title"},{"value":"Saudi Journal of Ophthalmology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.sjopt.2015.02.005","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2015 The Authors. Production and hosting by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}