Age-adjusted and sex-adjusted prevalence of blindness, severe vision impairment (SVI), moderate vision impairment (MVI) and early vision impairment (EVI) in the four regions of Papua New Guinea and estimated number of cases
| Blindness* | SVI† | MVI‡ | EVI§ | |||||
| n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | n | % (95% CI) | |
| National Capital District | ||||||||
| Male | 607 | 3.4 (2.1 to 4.7) | 407 | 2.3 (1.0 to 3.6) | 1081 | 6.1 (4.7 to 7.5) | 1488 | 8.4 (5.6 to 11.3) |
| Female | 375 | 3.0 (2.0 to 4.0) | 89 | 0.7 (0.1 to 1.3) | 1019 | 8.2 (6.0 to 10.4) | 877 | 7.0 (5.1 to 9.0) |
| Total | 982 | 3.3 (2.4 to 4.1) | 496 | 1.6 (1.0 to 2.3) | 2100 | 7.0 (5.5 to 8.5) | 2365 | 7.8 (6.1 to 9.6) |
| H ighlands | ||||||||
| Male | 11 963 | 6.6 (4.1 to 9.1) | 6912 | 3.8 (1.9 to 5.7) | 19 451 | 10.7 (8.7 to 12.7) | 14 615 | 8.1 (6.4 to 9.7) |
| Female | 15 480 | 11.1 (8.1 to 14.0) | 5225 | 3.7 (2.1 to 5.4) | 15 018 | 10.7 (7.6 to 13.8) | 8137 | 5.8 (4.1 to 7.6) |
| Total | 27 443 | 8.5 (6.4 to 10.7) | 12 137 | 3.8 (2.5 to 5.1) | 34 469 | 10.7 (8.8 to 12.6) | 22 752 | 7.1 (5.7 to 8.4) |
| Coastal | ||||||||
| Male | 4438 | 3.4 (2.0 to 4.8) | 3818 | 2.9 (1.5 to 4.4) | 16 232 | 12.4 (8.9 to 16.0) | 10 798 | 8.3 (5.5 to 11.1) |
| Female | 6044 | 5.1 (3.1 to 7.2) | 3578 | 3.0 (0.9 to 5.1) | 18 573 | 15.7 (11.3 to 20.2) | 8921 | 7.6 (4.7 to 10.4) |
| Total | 10 482 | 4.2 (3.0 to 5.5) | 7396 | 3.0 (1.7 to 4.3) | 34 805 | 14.0 (10.9 to 17.1) | 19 719 | 7.9 (5.7 to 10.2) |
| Islands | ||||||||
| Male | 487 | 0.7 (0.0 to 1.7) | 721 | 1.0 (0.3 to 1.8) | 3906 | 5.6 (3.2 to 8.0) | 4554 | 6.6 (4.2 to 8.9) |
| Female | 1352 | 2.2 (1.0 to 3.4) | 769 | 1.3 (0.3 to 2.2) | 4183 | 6.9 (4.3 to 9.5) | 3744 | 6.2 (3.9 to 8.5) |
| Total | 1839 | 1.4 (0.7 to 2.1) | 1490 | 1.1 (0.5 to 1.8) | 8089 | 6.2 (4.5 to 8.0) | 8298 | 6.4 (4.4 to 8.4) |
| P apua New Guinea (weighted average ) | ||||||||
| Male | 17 495 | 4.4 (3.4 to 5.4) | 11 858 | 3.0 (2.4 to 3.6) | 40 670 | 10.2 (9.1 to 11.3) | 31 455 | 7.9 (6.8 to 8.9) |
| Female | 23 251 | 7.0 (6.2 to 7.8) | 9661 | 2.9 (2.1 to 3.7) | 38 793 | 11.7 (10.4 to 13.0) | 21 679 | 6.5 (5.7 to 7.4) |
| Total | 40 746 | 5.6 (4.9 to 6.3) | 21 519 | 2.9 (2.5 to 3.4) | 79 463 | 10.9 (9.9 to 11.9) | 53 134 | 7.3 (6.6 to 8.0) |
*Blindness indicates VA <3/60.
†SVI indicates VA <6/60 but ≥3/60.
‡MVI indicates VA <6/18 but ≥6/60.
§EVI indicates VA <6/12 but ≥6/18.
VA, visual acuity.