Table 2

Causes of blindness and VI

CausesBlindness
VA <3/60
Severe VI
VA <6/60–3/60
Moderate VI
VA <6/18–6/60
Mild VI
VA <6/12–6/18
N%N%N%N%
Cataract untreated3236.84354.411746.16520.3
ARMD2023.0911.43313.0134.1
All other globe/CNS abnormalities1314.956.3114.3123.8
Cataract surgical complications78.011.3124.741.3
Other posterior segment disease66.933.841.630.9
Myopic degeneration33.422.531.210.3
Non-trachomatous corneal opacity22.378.972.830.9
URE11.156.35521.721366.6
Phthisis11.100.000.000.0
Glaucoma11.122.552.030.9
Diabetic retinopathy11.122.562.430.9
Aphakia uncorrected00.000.000.000.0
Trachomatous corneal opacity00.000.010.400.0
  • ARMD, age-related macular degeneration; CNS, central nervous system; URE, uncorrected refractive erro; VI, vision impairment.