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Table 3 Percentage reduction in visual impairment/blindness by eyes/patients.

From: Refractive ocular conditions and reasons for spectacles renewal in a resource-limited economy

VA

Unaided (%)

Corrected (%)

Reduction (unaided less corrected)

 

Eyes

Patients

Eyes

Patients

Eyes (%)

Patients (%)

<6/18-3/60

212

109

35

20

177 (83.5)

89 (81.7)

<3/60-PL

56

31

21

13

35 (62.5)

18 (58.1)

  1. VA = visual acuity, PL = perception of light