Patient preferences and comparative ocular responses to rigid and soft contact lenses
Fonn, Desmond, Gauthier, Charline, & Pritchard, Nicola (1995) Patient preferences and comparative ocular responses to rigid and soft contact lenses. Optometry and Vision Science, 72(12), pp. 857-863.
Patient preferences and ocular responses were compared between rigid and soft contact lenses by randomly fitting 32 neophyte subjects with a rigid lens in 1 eye and a soft lens in the contralateral eye. Twenty-seven of 32 subjects completed the 3-month study and 16 subjects were willing to continue for an additional 3-month extension. Subjects preferred the comfort and handling of the soft lens but preferred the vision provided by the rigid lens and initially its ease of maintenance. There was also a marked preference for the soft lens when all aspects of lens wear were compared. Objectively, the rigid lenses were responsible for more ocular changes than the soft lenses. Palpebral aperture sizes of the rigid gas permeable (RGP) wearing eyes decreased significantly (0.5 mm; p < 0.05) compared to the soft lens wearing eyes. The incidence of corneal staining was significantly greater in the rigid lens wearing eye (50% RGP vs. 22% soft) but limbal injection was greater in the soft lens wearing eye (18% soft vs. 6% RGP). Refractive sphere, cylinder, and corneal astigmatism decreased in the rigid lens wearing eye after 3 months. This daily wear clinical trial has shown a marked subjective preference for wearing soft lenses with fewer short-term ocular effects.
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|Item Type:||Journal Article|
|Additional Information:||Accession Number: 8749332 Language: English. Date Revised: 20081121. Date Created: 19961003. Date Completed: 19961003. Update Code: 20081217. Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't. Journal ID: 8904931. Publication Model: Print. Cited Medium: Print|
|Keywords:||contact lenses utilization, hydrophilic utilization, ocular physiological phenomena, patient satisfaction, microscopy, refractive errors physiopathology, ocular physiology, visual acuity|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
|Divisions:||Current > Institutes > Institute of Health and Biomedical Innovation|
|Deposited On:||25 May 2009 13:25|
|Last Modified:||11 Aug 2011 00:14|
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