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India
Papua New Guinea
Rural Population
Prevalence
Cross-Sectional Studies
Urban Population
Age Distribution
Odds Ratio
Blindness
Cataract
Low Vision
Vision Disorders
Glaucoma
Eye Diseases
Visually Impaired Persons
Visual Acuity
Questionnaires
Cataract Extraction
Delivery of Health Care
Sickness Impact Profile
Co-Publications
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