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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Ophthalmol
2014 ; 158
(5
): 1079-85
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gab.com Text
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English Wikipedia
Myopia in young adults is inversely related to an objective marker of ocular sun
exposure: the Western Australian Raine cohort study
#MMPMID25072831
McKnight CM
; Sherwin JC
; Yazar S
; Forward H
; Tan AX
; Hewitt AW
; Pennell CE
; McAllister IL
; Young TL
; Coroneo MT
; Mackey DA
Am J Ophthalmol
2014[Nov]; 158
(5
): 1079-85
PMID25072831
show ga
PURPOSE: To determine the association between ocular sun exposure measured by
conjunctival ultraviolet (UV) autofluorescence and myopic refractive error in
young adults. DESIGN: Cross-sectional study. METHODS: setting: Population-based
cohort in Western Australia. study population: Total of 1344 mostly white
subjects aged 19-22 years in the Western Australian Pregnancy Cohort (Raine) Eye
Health Study. observation procedures: Cycloplegic autorefraction, conjunctival
ultraviolet autofluorescence photography, participant questionnaire. main outcome
measures: Prevalence of myopic refractive error (spherical equivalent less than
-0.50 diopters) and area of conjunctival ultraviolet autofluorescence in mm(2).
RESULTS: There was an inverse relationship between myopic refractive error and
ocular sun exposure, with more than double the prevalence of myopia in the lowest
quartile of conjunctival autofluorescence than the highest quartile (33.0% vs
15.6%). Median area of autofluorescence was significantly lower in myopic than in
nonmyopic subjects (31.9 mm(2) vs 47.9 mm(2), P < .001). These differences
remained significant after adjustment for age, sex, parental history of myopia,
and subject level of education. The use of corrective lenses did not explain the
lower conjunctival autofluorescence observed in myopic subjects. CONCLUSIONS: In
this young adult population, myopic refractive error was inversely associated
with objectively measured ocular sun exposure, even after adjustment for
potential confounders. This further supports the inverse association between
outdoor activity and myopia.