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Most corneal topographical systems are based on Placido disc that analyse rings that are reflected off the corneal surface. The posterior corneal surface cannot be characterized using Placido disc technology. Imaging of the posterior corneal surface is useful for diagnosis of corneal ectasia. Unlike corneal topographers, tomographers generate a three\u2010dimensional recreation of the anterior segment and provide information about the corneal thickness. Scheimpflug imaging is one of the most commonly used techniques for corneal tomography. The cross\u2010sectional images generated by a rotating Scheimpflug camera are used to locate the anterior and posterior corneal surfaces. The clinical uses of corneal topography include, diagnosis of corneal ectasia, assessment of corneal astigmatism, and refractive surgery planning. This review will discuss the applications of corneal topography and tomography in clinical practice.<\/jats:p>","DOI":"10.1111\/ceo.13136","type":"journal-article","created":{"date-parts":[[2017,12,20]],"date-time":"2017-12-20T10:03:24Z","timestamp":1513764204000},"page":"133-146","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":128,"title":["Applications of corneal topography and tomography: a review"],"prefix":"10.1111","volume":"46","author":[{"given":"Rachel","family":"Fan","sequence":"first","affiliation":[{"name":"Faculty of Medicine The University of Hong Kong  Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4228-9482","authenticated-orcid":false,"given":"Tommy CY","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology &amp; Visual Sciences The Chinese University of Hong Kong  Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1505-8024","authenticated-orcid":false,"given":"Gaurav","family":"Prakash","sequence":"additional","affiliation":[{"name":"NMC Eye Care NMC Specialty Hospital  Abu Dhabi United Arab Emirates"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4429-2004","authenticated-orcid":false,"given":"Vishal","family":"Jhanji","sequence":"additional","affiliation":[{"name":"Department of Ophthalmology &amp; Visual Sciences The Chinese University of Hong Kong  Hong Kong"},{"name":"Department of Ophthalmology University of Pittsburgh School of Medicine  Pittsburgh Pennsylvania USA"},{"name":"Centre for Eye Research Australia University of Melbourne  Melbourne Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,1,11]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.exer.2003.10.012"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1159\/000267961"},{"key":"e_1_2_6_4_1","unstructured":"MHM. 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