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Soft contact lenses and corneal topography

Collins, Michael J. & Bruce, Adrian S. (1993) Soft contact lenses and corneal topography. International Contact Lens Clinic, 20(9-10), pp. 187-190.

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Abstract

We investigated the effect of 3 months of daily soft contact lenswear on corneal topography. Thirty young myopic subjects who had not previously worn contact lenses were fitted with hydroxyethyl methacrylate (HEMA) soft lenses. Corneal topography was measured in each eye before and after the 3-month period using a videokeratoscope, the Topographic Modeling System (TMS). For each TMS image, we recorded the local radius of curvature at points approximately 1, 2, 3, and 4 mm along the four principal meridians. Following 3 months of soft lens wear, there was a significant steepening of the cornea in all meridians. This steepening was most pronounced in the peripheral cornea, averaging 0.09 ± 0.13 mm (i.e., about 0.50 ± 0.75 D) at 4 mm from the center of the cornea.

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5 citations in Scopus
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ID Code: 874
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author.
Keywords: Cornea, corneal topography, soft contact lenses, videokeratoscope, Topographic Modeling System
DOI: 10.1016/0892-8967(93)90117-A
ISSN: 0892-8967
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 1993 Elsevier
Deposited On: 20 Oct 2005
Last Modified: 15 Jan 2009 16:34

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