WHO category of visual loss | Visual acuity in better eye | Sex | Age category in years | Total | ||||
Male | Female | 6-10 | 11-15 | 16-20 | 21-25 | N (%) | ||
No impairment | ≥6/18 | 9 | 0 | 1 | 3 | 5 | 0 | 9 (2.3) |
Visual impairment (VI) | <6/18-6/60 | 7 | 10 | 2 | 4 | 8 | 3 | 17 (4.4) |
Severe visual impairment (SVI) | <6/60-3/60 | 10 | 3 | 0 | 4 | 8 | 1 | 13 (3.4) |
Blind (BL) | <3/60-PL | 133 | 63 | 11 | 55 | 82 | 48 | 196 (51.2) |
Blind (BL) | NLP | 85 | 63 | 8 | 26 | 79 | 35 | 148 (38.6) |
Total | 244 | 139 | 22 | 92 | 182 | 87 | 383 (100) |