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Am J Ophthalmol. 2000 Aug;130(2):237-8.

Iris color and cataract: the Blue Mountains Eye Study.

Author information

1
Department of Public Health and Community Medicine, University of Sydney, Sydney, Australia. bobc@pub.health.usyd.edu.au

Abstract

PURPOSE:

To investigate the relationship between eye color and cataract.

METHODS:

A population-based cross-sectional study (N = 3654) was conducted near Sydney, Australia. Lens photographs were graded for cortical, nuclear, and posterior subcapsular cataract. Iris color was assessed at slit-lamp examination by comparison with four photographic standards.

RESULTS:

Eyes with dark brown irises were more likely to have nuclear (adjusted odds ratio, 1.59; 95% confidence interval [CI], 1.03 to 2.28) or posterior subcapsular cataract (adjusted odds ratio, 2.50; 95% CI, 1.57 to 3.98) than eyes with lighter-colored irises.

CONCLUSIONS:

People with dark brown eyes are at increased risk of cataract and should be encouraged to protect their eyes from direct exposure to sunlight.

PMID:
11004303
DOI:
10.1016/s0002-9394(00)00479-7
[Indexed for MEDLINE]

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