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Hispanic Americans
African Americans
Infants
Risk Factors
Cross-Sectional Studies
Prevalence
Ethnic Groups
Reproducibility of Results
Los Angeles
Baltimore
Visual Acuity
Refraction, Ocular
Amblyopia
Strabismus
Anisometropia
Hyperopia
Refractive Errors
Vision Tests
Retinoscopy
Questionnaires
Co-Publications
12
11
10
4
3
1
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