Table 3

‚ÄÉMain cause of any visual impairment (including visual impairment, severe visual impairment, and blindness) and main causes of blindness

CauseAny visual impairment (VI)Blindness
Number (prevalence, %)Proportion of all cases of VI (%)Number (prevalence, %)Proportion of all cases of blindness (%)
Cataract80 (17)5223 (5)46
Non-trachomatous corneal opacity26 (5)1714 (3)28
Aphakia20 (4)133 (0.6)6
Trachomatous corneal opacity13 (3)86 (1)12
Glaucoma9 (2)63 (0.6)6
Others7 (2)51 (0.2)2
Total (all causes)155 (32)10050 (10)100