Oxygen permeability of rigid contact lens materials
Tranoudis, Ioannis & Efron, Nathan (1995) Oxygen permeability of rigid contact lens materials. Journal of the British Contact Lens Association, 18(2), pp. 49-53.
The oxygen permeability of 28 currently available rigid contact lens materials was measured using the polarographic method, and the data were corrected for boundary and edge effects. Comparison of the measured oxygen permeability values with data supplied by manufacturers (nominal data) reveals a large discrepancy, whereby the measured values are less than the quoted values. This may be attributed to either (a) the manufacturers citing values derived from techniques other than the polarographic method (such as the coulometric technique), or (b) the manufacturers citing values derived earlier that have not been corrected for the edge or boundary effects. Practitioners should continue to exercise caution when interpreting oxygen transmissibility data.
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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:||Rigid contact lens materials, oxygen permeability, polarographic method, edge effect, boundary effect|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > Research Centres > Centre for Health Research|
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 1995 Elsevier|
|Deposited On:||27 Nov 2007|
|Last Modified:||11 Aug 2011 03:55|
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