Prevalence of Myopia in adults: implications for refractive surgeons

McCarty, Catherine A., Livingston, Patricia M. and Taylor, Hugh R. 1997, Prevalence of Myopia in adults: implications for refractive surgeons, Journal of refractive surgery, vol. 13, no. 3, May-June, pp. 229-234.

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Title Prevalence of Myopia in adults: implications for refractive surgeons
Author(s) McCarty, Catherine A.
Livingston, Patricia M.ORCID iD for Livingston, Patricia M. orcid.org/0000-0001-6616-3839
Taylor, Hugh R.
Journal name Journal of refractive surgery
Volume number 13
Issue number 3
Season May-June
Start page 229
End page 234
Total pages 6
Publisher Slack Inc
Place of publication [Thorofare, N.J.]
Publication date 1997-05
ISSN 1081-597X
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Ophthalmology
Surgery
LASER PHOTOREFRACTIVE KERATECTOMY
EXCIMER-LASER
SIGHTED EYES
FOLLOW-UP
MULTICENTER
ESKIMOS
ERRORS
Summary BACKGROUND: We reviewed the research on the prevalence of myopia in the adult population to compare the refractive distribution of patients being treated with excimer laser photorefractive keratectomy to correct myopia, and assess the potential market for excimer laser surgery. METHODS: All published reports of myopia prevalence in adults were reviewed, as well as the prevalence in the Melbourne Visual Impairment Project and the distribution of refractive errors treated by the Melbourne Excimer Laser Group in 1994. RESULTS: A large population-based study of people aged 4 to 74 years in the U.S. showed that 43% had low myopia (less than -5.00 diopters (D)), 3.2% had high myopia (-5.01 to -10.00 D), and 0.2% had extreme myopia (more than -10.00 D). In Asian populations these proportions may be much higher and in African and Pacific island groups, much lower. In the Melbourne Visual Impairment Project, we found the prevalence of low myopia was 21%, high myopia 2%, and extreme myopia 0.3%. A single excimer laser has operated for 3 years in Melbourne. Of those treated, 45% had low myopia, 42% high myopia, and 13% extreme myopia. Compared to low myopes, high myopes were ten times (OR: 9.8; Confidence interval: 6.69 to 12.91) more likely to have excimer laser treatment and extreme myopes were 16 times (OR: 16.40; Confidence interval: 12.53 to 20.27) more likely. CONCLUSIONS: Although there are many more people with lower amounts of myopia in the population and the clinical results have been more predictable after one procedure in this group, the perceived benefits of excimer laser treatment may be greater for those with higher amounts of myopia, thus influencing their decision to undergo excimer laser surgery to correct their myopia. There is clearly a large market potential for excimer laser surgery in people with low myopia.
Language eng
Field of Research 1103 Clinical Sciences
1113 Ophthalmology And Optometry
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1997, Slack Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081869

Document type: Journal Article
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