Rapid assessment of avoidable blindness in the northern eThekwini district of KwaZulu-Natal Province, South Africa
نویسندگان
چکیده
Method: Thirty-three clusters of 50 subjects ≥ 50 years old were randomly selected. Consenting subjects underwent enumeration to establish a demographic profile and thereafter a clinical examination. Visual acuity (VA) was measured with a Tumbling ‘E’ chart; participants having a VA < 6/18 were retested with a pinhole. If no improvement in VA occurred, subjects underwent clinical examination, including a dilated fundus exam where necessary, to determine the cause of visual impairment.
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