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80 and over
Aged
2
Aging
2
Cataract
2
Crystalline
2
Asian Continental Ancestry Group
1
European Continental Ancestry Group
1
Female
1
Humans
1
Iceland
1
Iceland/epidemiology
1
Japan/epidemiology
1
Lens
1
Lens Nucleus
1
Male
1
Middle Aged
1
Photography
1
Questionnaires
1
Risk Factors
1
Singapore/epidemiology
1
Smoking
1
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