Soft contact lenses and corneal topography
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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|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|
|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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