Corneal thickness changes during scleral lens wear: Effect of gas permeability
The compatabillity of scleral lens wear with the physiological requirements of the cornea was assessed by measuring corneal thickness changes. Lenses made of either poly(methyl methacralate) (PMMA) (effectively non-oxygen permeable) or itaflourocon B (equalens II) material (oxygen permeability of 121 x 10-11cm2 ml O2/sec ml mmHg) were directly compared by fitting one lens type to each eye of eight subjects. The rate of corneal thickness increase was 0.98 +/- 3.33 microns/hour for gas permeable lenses and 14.84 +/- 14.93 microns/hour for PMMA lenses. this difference was statistically significant (p= 0.039)
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see link) or contact the author. Author contact details: email@example.com|
|Keywords:||Scleral contact lens, haptic contact lens, oxygen permeability, corneal swelling|
|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 1994 Elsevier|
|Deposited On:||30 Jan 2006|
|Last Modified:||15 Jan 2009 16:54|
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