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A sixteen year survey of Canadian contact lens prescribing

Jones, Deborah, Woods, Craig, Jones, Lyndon, Efron, Nathan and Morgan, Philip 2016, A sixteen year survey of Canadian contact lens prescribing, Contact lens and anterior eye, vol. 39, no. 6, pp. 402-410, doi: 10.1016/j.clae.2016.09.002.

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Title A sixteen year survey of Canadian contact lens prescribing
Author(s) Jones, Deborah
Woods, Craig
Jones, Lyndon
Efron, Nathan
Morgan, Philip
Journal name Contact lens and anterior eye
Volume number 39
Issue number 6
Start page 402
End page 410
Total pages 9
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-12
ISSN 1367-0484
1476-5411
Keyword(s) contact lens
lens design
lens material
prescribing trends
survey
adolescent
adult
age distribution
aged
aged, 80 and over
Canada
Child
child, preschool
contact lens dolutions
contact lenses
female
health care surveys
humans
longitudinal studies
male
middle aged
optometrists
practice patterns, physicians'
prescriptions
prosthesis fitting
sex distribution
young adult
Summary PURPOSE: To understand long-term contact lens prescribing habits of Canadian optometrists. METHODS: One thousand optometrists were surveyed annually from 2000 to 2015. Information was requested on the first ten patients examined after receiving the survey. RESULTS: Over the 16-year survey period, 1987 optometrists provided information on 19,143 patients. Mean age of the patients was 32.7±14.4years. Ratio of females to males was 2:1, the ratio of new fits to refits was 2:3. Soft contact lenses represented 94.5% of all fits. Rigid lenses were more often used as a refit compared to a new fit. Over the 16 years, market share for silicone hydrogel materials grew from 0% to 69.6%, mid-water content materials declined from 75.7% to 14.1%. The multifocal market share grew at the expense of spherical designs, with no change in toric lens fitting. Monthly soft lens replacement remained the preferred option at 48.2%, followed by daily disposable at 40.8%; two-weekly replacement declined to less than10% of patients by 2015. Extended wear was likely used to refit and only to a small proportion of wearers, representing 2.6% of SCL by 2015. The lens care system of choice throughout the period was multipurpose solutions, although the proportion for peroxide systems more than doubled by 2015 from 9.6%, to 21.1%. CONCLUSIONS: Over the 16-year period, SCL material preference changed to silicone hydrogels with monthly replacement being preferred; daily disposables replacing 2-weekly as the alternate. Lens care preference continued to be multipurpose solutions. Rigid lenses appear to be sustained for specialist fitting.
Language eng
DOI 10.1016/j.clae.2016.09.002
Field of Research 111303 Vision Science
1113 Ophthalmology And Optometry
Socio Economic Objective 920107 Hearing
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, British Contact Lens Association
Persistent URL http://hdl.handle.net/10536/DRO/DU:30088191

Document type: Journal Article
Collection: School of Medicine
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