Variables | NO.(%) of eyes | NO.(%) by presenting visual acuity | NO.(%) best-corrected visual acuity | ||||||
---|---|---|---|---|---|---|---|---|---|
≥20/32 | 20/40–20/63 | < 20/63–20/200 | < 20/200 | ≥20/32 | 20/40–20/63 | < 20/63–20/200 | < 20/200 | ||
Ethnicity | |||||||||
Han | 197 (37.5) | 24 (12.2) | 53(26.9) | 60 (30.5) | 60 (30.5) | 63 (32.0) | 55 (27.9) | 34 (17.3) | 45 (22.8) |
Bai | 129 (24.6) | 29 (22.5) | 33 (25.6) | 30 (23.3) | 37 (28.7) | 78 (39.2) | 72 (36.2) | 30 (15.1) | 19 (9.5) |
Yi | 199 (37.9) | 27 (13.6) | 68 (34.2) | 72 (36.2) | 32 (16.1) | 55 (42.6) | 30 (23.3) | 14 (10.9) | 30 (23.3) |
Age(years) | |||||||||
50–59 | 31 (5.9) | 10 (32.3) | 6 (19.4) | 7 (22.6) | 8 (25.8) | 18 (58.1) | 7 (22.6) | 3 (9.7) | 3 (9.7) |
60–69 | 124 (23.6) | 25 (20.2) | 42 (33.9) | 31 (25.0) | 26 (21.0) | 56 (45.2) | 36 (29.0) | 11 (8.9) | 21 (16.9) |
70–79 | 263 (50.1) | 35 (13.3) | 76 (28.9) | 91 (34.6) | 61 (23.2) | 94 (35.7) | 80 (30.4) | 49 (18.6) | 40 (15.2) |
80+ | 107 (20.4) | 10 (15.2) | 30 (28.0) | 33 (30.8) | 34 (31.8) | 28 (26.2) | 34 (31.8) | 15 (14.0) | 30 (28.0) |
Gender | |||||||||
Male | 193 (36.8) | 43 (22.3) | 62 (32.1) | 54 (28.0) | 34 (17.6) | 88 (45.6) | 60 (31.1) | 21 (10.9) | 24 (12.4) |
Female | 332 (63.2) | 37 (11.1) | 92 (27.7) | 108 (32.5) | 95 (28.5) | 108 (32.5) | 97 (29.2) | 57 (17.2) | 70 (21.1) |
Education(years) | |||||||||
0 | 355 (67.6) | 38 (10.7) | 96 (27.0) | 123 (34.6) | 98 (27.6) | 109 (30.7) | 106 (29.9) | 71 (20.0) | 69 (19.4) |
1–6 | 124 (23.6) | 23 (18.5) | 45 (36.3) | 33 (26.6) | 23 (18.5) | 56 (45.2) | 43 (34.7) | 6 (4.8) | 19 (15.3) |
> 6 | 46 (8.8) | 19 (15.2) | 13 (28.3) | 6 (13.0) | 8(17.4) | 31 (67.4) | 8 (17.4) | 1 (2.2) | 6 (13.0) |
IOL status | |||||||||
Pseudophakic | 455 (86.7) | 79 (17.4) | 151 (33.2) | 150 (33.0) | 75 (16.5) | 195 (42.9) | 140 (30.8) | 61 (13.4) | 59 (13.0) |
Aphakic | 70 (13.3) | 1 (1.4) | 3 (4.3) | 12 (17.1) | 54 (77.1) | 1 (1.4) | 17 (24.3) | 17 (24.3) | 35 (50.0) |
Year of surgery | |||||||||
≥ 2001 | 441(84.0) | 77 (17.5) | 144 (32.7) | 139 (31.5) | 81 (18.4) | 187 (42.4) | 133 (30.2) | 62 (14.1) | 59 (13.0) |
≤ 2000 | 75 (14.3) | 3 (4.0) | 10 (13.3) | 21 (28.0) | 41 (54.7) | 8 (10.7) | 24 (32.0) | 15 (20.0) | 28 (37.3) |
Missing | 9 (1.7) | 0 (0) | 0 (0) | 2 (22.2) | 7 (77.8) | 1 (11.1) | 0 (0) | 1 (11.1) | 7 (77.8) |
Surgical setting | |||||||||
County/ township | 432 (82.3) | 64 (14.8) | 120 (27.8) | 143 (33.1) | 105 (24.3) | 158 (36.6) | 130 (30.1) | 67 (15.5) | 77 (17.8) |
Provincial/ municipal | 93 (17.7) | 16 (17.2) | 34 (36.6) | 19 (20.4) | 24 (25.8) | 38 (40.9) | 27 (29.0) | 11 (11.8) | 17 (18.3) |
Total | 525 (100.0) | 80 (15.2) | 154 (29.3) | 162 (30.9) | 129 (24.6) | 196 (37.3) | 157 (29.9) | 78 (14.9) | 94 (17.9) |