Research Article
Spectacle Coverage and Spectacles Use among Elderly Population in Residential Care in the South Indian State of Andhra Pradesh
Table 1
Spectacle coverage for refractive errors and presbyopia.
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Not statistically significant for age group and gender; for education. for age and gender; not statistically significant for gender. Met need (refractive errors): defined as unaided visual acuity <6/18 in either eye, which improved to 6/18 or better with spectacles. Unmet need (refractive errors): defined as the number of subjects who had unaided visual acuity <6/18 in either eye but improved to 6/18 or better with pinhole and had no spectacles. Met need (presbyopia): defined as unaided near vision <N8, but improved to N8 or better with the spectacles they were using. Unmet need (presbyopia): defined as unaided near vision <N8 and had no spectacles, but improved to N8 or better with a near addition. Spectacle coverage (refractive errors and presbyopia) (%) = met need/(met need + unmet need) × 100. |