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Computerized corneal tomography has elucidated the alterations in shape of the anterior and posterior corneal surfaces and alterations in thickness as the disease progresses. Automated screening indices such as the keratoconus screening index were developed to assist in detecting keratoconus in suspicious cases. <jats:italic>In vivo<\/jats:italic> assessment of keratoconic corneas has revealed that compromised corneal biomechanics can now be measured clinically. Optical coherence tomography has demonstrated alterations in corneal epithelial thickness and distribution in keratoconus, has a role in assessing Descemet's membrane detachment in acute corneal hydrops (ACH) and the depth of the demarcation line following corneal collagen cross\u2010linking. <jats:italic>In vivo<\/jats:italic> confocal microscopy has exhibited cellular changes that occur in keratoconus and provided insight into cellular events that may be related to the development of neovascularization in ACH.<\/jats:p>","DOI":"10.1111\/ceo.13108","type":"journal-article","created":{"date-parts":[[2017,11,21]],"date-time":"2017-11-21T11:16:39Z","timestamp":1511262999000},"page":"122-132","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":46,"title":["Advanced anterior segment imaging in keratoconus: a 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