Descriptors of Corneal Shape
Abstract: With the advent of videokeratoscopy and similar technology, we are now provided with more information about corneal contour than ever before. One of the common problems in this area is which parameters should be used to quantify the corneal shape. From the time of Helmholtz, the ellipse has been used as a first-order approximation for the normal corneal profile, and in the optometric literature one or another of the conic shape parameters p, Q, or e have been used to describe the general shape of the corneal surface. The purpose of this technical note is to clarity the relationships between these various descriptors of corneal shape.
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|Item Type:||Journal Article|
|Additional Information:||The contents of this journal can be freely accessed online via the journal’s web page (see link) 12 months after publication. Self-archiving of the author-version is not yet supported by this publisher. For more information, please refer to the journal's website or contact the author. Author contact details: email@example.com|
|Keywords:||asphericity, eccentricity, conic, conicoid, prolate ellipse, oblate ellipse|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 1998 Lippincott Williams & Wilkins|
|Deposited On:||02 Jan 2007|
|Last Modified:||15 Jan 2009 07:12|
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