{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T13:52:16Z","timestamp":1776779536443,"version":"3.51.2"},"reference-count":32,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2007,11,1]],"date-time":"2007-11-01T00:00:00Z","timestamp":1193875200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2007,11,1]],"date-time":"2007-11-01T00:00:00Z","timestamp":1193875200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajo.com","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Ophthalmology"],"published-print":{"date-parts":[[2007,11]]},"DOI":"10.1016\/j.ajo.2007.07.021","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T10:34:59Z","timestamp":1190111699000},"page":"712-718.e1","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":127,"title":["Reproducibility and Repeatability of Central Corneal Thickness Measurement in Keratoconus Using the Rotating Scheimpflug Camera and Ultrasound Pachymetry"],"prefix":"10.1016","volume":"144","author":[{"given":"Ugo","family":"de Sanctis","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandro","family":"Missolungi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernardo","family":"Mutani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lorenzo","family":"Richiardi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Federico M.","family":"Grignolo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajo.2007.07.021_bib1","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1016\/S0039-6257(97)00119-7","article-title":"Keratoconus","volume":"42","author":"Rabinowitz","year":"1998","journal-title":"Surv Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib2","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/0039-6257(84)90094-8","article-title":"Keratoconus and related non-inflammatory corneal thinning disorders","volume":"28","author":"Krachmer","year":"1984","journal-title":"Surv Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib3","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1016\/S0886-3350(98)80200-9","article-title":"Accuracy of ultrasonic pachymetry and videokeratography in detecting keratoconus","volume":"24","author":"Rabinowitz","year":"1998","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib4","doi-asserted-by":"crossref","first-page":"456","DOI":"10.1016\/S0886-3350(98)80284-8","article-title":"Live-epikeratophakia for keratoconus","volume":"24","author":"Krumeich","year":"1998","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib5","doi-asserted-by":"crossref","first-page":"1117","DOI":"10.1016\/S0886-3350(00)00451-X","article-title":"Correcting keratoconus with intracorneal rings","volume":"26","author":"Colin","year":"2000","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib6","doi-asserted-by":"crossref","first-page":"64","DOI":"10.1016\/S0002-9394(02)01824-X","article-title":"Management of keratoconus with Intacs","volume":"135","author":"Siganos","year":"2003","journal-title":"Am J Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib7","doi-asserted-by":"crossref","first-page":"1561","DOI":"10.1001\/archopht.117.11.1561","article-title":"Deep lamellar keratoplasty using viscoelastic dissection","volume":"117","author":"Manche","year":"1999","journal-title":"Arch Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib8","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1097\/00003226-200007000-00004","article-title":"A quick surgical technique for deep, anterior lamellar keratoplasty using visco-dissection","volume":"19","author":"Melles","year":"2000","journal-title":"Cornea"},{"key":"10.1016\/j.ajo.2007.07.021_bib9","doi-asserted-by":"crossref","first-page":"174","DOI":"10.1136\/bjo.2003.023416","article-title":"Intraobserver and interobserver reproducibility in the evaluation of ultrasonic pachymetry measurements of central corneal thickness","volume":"88","author":"Miglior","year":"2004","journal-title":"Br J Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib10","doi-asserted-by":"crossref","first-page":"2142","DOI":"10.1016\/S0886-3350(02)01533-X","article-title":"Comparison of ultrasound pachymetry and partial coherence interferometry in the measurement of central corneal thickness","volume":"28","author":"Rainer","year":"2002","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib11","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1097\/00006324-199003000-00003","article-title":"Variability of ultrasonic pachometry","volume":"67","author":"Gordon","year":"1990","journal-title":"Optom Vis Sci"},{"key":"10.1016\/j.ajo.2007.07.021_bib12","doi-asserted-by":"crossref","first-page":"792","DOI":"10.1097\/00003226-200011000-00007","article-title":"The repeatability of corneal thickness measures","volume":"19","author":"Marsich","year":"2000","journal-title":"Cornea"},{"key":"10.1016\/j.ajo.2007.07.021_bib13","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1016\/S0002-9394(14)75798-8","article-title":"Interferometric measurement of corneal thickness with micrometer precision","volume":"118","author":"Hitzenberger","year":"1994","journal-title":"Am J Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib14","doi-asserted-by":"crossref","first-page":"140","DOI":"10.3928\/1081-597X-19980301-13","article-title":"Continuous non-contact corneal pachymetry with a high speed reflectometer","volume":"14","author":"Bohnke","year":"1998","journal-title":"J Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib15","doi-asserted-by":"crossref","first-page":"1584","DOI":"10.1001\/archopht.1994.01090240090031","article-title":"Micrometer-scale resolution imaging of the anterior eye in vivo with optical coherence tomography","volume":"112","author":"Izatt","year":"1994","journal-title":"Arch Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib16","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1097\/00003226-200101000-00010","article-title":"Central corneal thickness measurement with a retinal optical coherence tomography device versus standard ultrasonic pachymetry","volume":"20","author":"Bechmann","year":"2001","journal-title":"Cornea"},{"key":"10.1016\/j.ajo.2007.07.021_bib17","doi-asserted-by":"crossref","first-page":"1345","DOI":"10.1016\/S0886-3350(97)80113-7","article-title":"Corneal thickness measurements with the Orbscan topography system and ultrasound pachymetry","volume":"23","author":"Yaylali","year":"1997","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib18","doi-asserted-by":"crossref","first-page":"711","DOI":"10.1097\/00003226-200110000-00008","article-title":"Scanning-slit and specular microscopic pachymetry in comparison with ultrasonic determination of corneal thickness","volume":"20","author":"Modis","year":"2001","journal-title":"Cornea"},{"key":"10.1016\/j.ajo.2007.07.021_bib19","doi-asserted-by":"crossref","first-page":"920","DOI":"10.1097\/01.ico.0000157422.01146.e9","article-title":"Agreement and repeatability of central thickness measurement in normal corneas using ultrasound pachymetry and the Oculus Pentacam","volume":"24","author":"O\u2019Donnell","year":"2005","journal-title":"Cornea"},{"key":"10.1016\/j.ajo.2007.07.021_bib20","doi-asserted-by":"crossref","first-page":"892","DOI":"10.1097\/01.opx.0000180817.46312.0a","article-title":"Repeatability and reproducibility of central corneal thickness measurement with Pentacam, Orbscan, and ultrasound","volume":"82","author":"Lackner","year":"2005","journal-title":"Optom Vis Sci"},{"key":"10.1016\/j.ajo.2007.07.021_bib21","doi-asserted-by":"crossref","first-page":"1729","DOI":"10.1016\/j.jcrs.2005.03.058","article-title":"Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low-coherence reflectometry pachymeter, and ultrasound pachymetry","volume":"31","author":"Barkana","year":"2005","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib22","doi-asserted-by":"crossref","first-page":"937","DOI":"10.1016\/j.ophtha.2006.01.063","article-title":"Comparison of central corneal thickness measurement by rotating Scheimpflug camera, ultrasonic pachymetry, and scanning-slit corneal topography","volume":"113","author":"Amano","year":"2006","journal-title":"Ophthalmology"},{"key":"10.1016\/j.ajo.2007.07.021_bib23","doi-asserted-by":"crossref","first-page":"1461","DOI":"10.1016\/j.ophtha.2006.10.059","article-title":"Graft central thickness measurement by rotating Scheimpflug camera and ultrasound pachymetry after penetrating keratoplasty","volume":"114","author":"de Sanctis","year":"2007","journal-title":"Ophthalmology"},{"key":"10.1016\/j.ajo.2007.07.021_bib24","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/S0140-6736(86)90837-8","article-title":"Statistical methods for assessing agreement between two methods of clinical measurement","volume":"1","author":"Bland","year":"1986","journal-title":"Lancet"},{"key":"10.1016\/j.ajo.2007.07.021_bib25","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1001\/archopht.1969.00990020184006","article-title":"Keratoconus: spatial variation of corneal thickness as a diagnostic test","volume":"82","author":"Mandell","year":"1969","journal-title":"Arch Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib26","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1097\/00006324-199407000-00003","article-title":"Central and peripheral corneal thickness in keratoconus and normal patient groups","volume":"71","author":"Gromacki","year":"1994","journal-title":"Optom Vis Sci"},{"key":"10.1016\/j.ajo.2007.07.021_bib27","doi-asserted-by":"crossref","first-page":"970","DOI":"10.1016\/j.jcrs.2006.02.037","article-title":"Corneal thickness measurements in normal and keratoconic eyes: Pentacam comprehensive eye scanner versus noncontact specular microscopy and ultrasound pachymetry","volume":"32","author":"Ucakhan","year":"2006","journal-title":"J Cataract Refract Surg"},{"key":"10.1016\/j.ajo.2007.07.021_bib28","first-page":"518","article-title":"Confocal in vivo microscopy and confocal laser-scanning fluorescence microscopy in keratoconus","volume":"5","author":"Somodi","year":"1996","journal-title":"Ger J Ophthalmol"},{"key":"10.1016\/j.ajo.2007.07.021_bib29","first-page":"121","article-title":"Collagen fibril orientation in the human corneal stroma and its implication in keratoconus","volume":"38","author":"Daxer","year":"1997","journal-title":"Invest Ophthalmol Vis Sci"},{"key":"10.1016\/j.ajo.2007.07.021_bib30","doi-asserted-by":"crossref","first-page":"1272","DOI":"10.1159\/000055492","article-title":"Altered organization of collagen in the apex of keratoconus corneas","volume":"30","author":"Radner","year":"1998","journal-title":"Ophthalmic Res"},{"key":"10.1016\/j.ajo.2007.07.021_bib31","doi-asserted-by":"crossref","first-page":"1316","DOI":"10.1016\/S0161-6420(86)33571-1","article-title":"Anterior clear spaces in keratoconus","volume":"93","author":"Shapiro","year":"1986","journal-title":"Ophthalmology"},{"key":"10.1016\/j.ajo.2007.07.021_bib32","doi-asserted-by":"crossref","first-page":"320","DOI":"10.1097\/00003226-199605000-00016","article-title":"A histochemical and x-ray diffraction study of keratoconus epikeratoplasty; report of two cases","volume":"15","author":"Huang","year":"1996","journal-title":"Cornea"}],"container-title":["American Journal of Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002939407006617?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002939407006617?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T12:55:05Z","timestamp":1757595305000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002939407006617"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2007,11]]},"references-count":32,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2007,11]]}},"alternative-id":["S0002939407006617"],"URL":"https:\/\/doi.org\/10.1016\/j.ajo.2007.07.021","relation":{},"ISSN":["0002-9394"],"issn-type":[{"value":"0002-9394","type":"print"}],"subject":[],"published":{"date-parts":[[2007,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Reproducibility and Repeatability of Central Corneal Thickness Measurement in Keratoconus Using the Rotating Scheimpflug Camera and Ultrasound Pachymetry","name":"articletitle","label":"Article Title"},{"value":"American Journal of Ophthalmology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajo.2007.07.021","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2007 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}