The Orbscan acoustic (correction) factor for central corneal thickness measures of normal human corneas

Michael Doughty; Sven Jonuscheit

doi:10.1097/ICL.0b013e3181d0b604

The Orbscan acoustic (correction) factor for central corneal thickness measures of normal human corneas

Michael Doughty, Sven Jonuscheit

Vision Sciences

Research output: Contribution to journal › Article

Abstract

Orbscan scanning-slit optical pachymetry was introduced over a decade ago and yielded higher central corneal thickness (CCT) values to the “gold standard” of contact ultrasound pachymetry (U/S). An acoustic correction factor (AF) was introduced later to compensate for this difference. The goal of this review was to assess the magnitude and consistency of the difference, as well as to assess how useful the AF had been.

Original language	English
Pages (from-to)	106-115
Number of pages	10
Journal	Eye and Contact Lens: Science and Clinical Practice
Volume	36
Issue number	2
DOIs	https://doi.org/10.1097/ICL.0b013e3181d0b604
Publication status	Published - 1 Mar 2010

Keywords

cornea
optometry
opthalmology
vision sciences

Documents and Links

10.1097/ICL.0b013e3181d0b604

http://researchonline.gcu.ac.uk/sls/359

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abstract = "Orbscan scanning-slit optical pachymetry was introduced over a decade ago and yielded higher central corneal thickness (CCT) values to the “gold standard” of contact ultrasound pachymetry (U/S). An acoustic correction factor (AF) was introduced later to compensate for this difference. The goal of this review was to assess the magnitude and consistency of the difference, as well as to assess how useful the AF had been.",

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KW - optometry

KW - opthalmology

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