Table 5.
Presenting and Best-Corrected Visual Acuity of Cataract-Operated Eyes by Age, Gender, Education, Intraocular Lens Status, Year of Surgery, and Province
| Number (%) of Eyes | Percentage by Presenting Visual Acuity |
Percentage by 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 | ||
| Age (yrs) | |||||||||
| 50–59 | 145 (12.4) | 31.0 | 19.3 | 26.2 | 23.5 | 58.6 | 9.7 | 13.1 | 18.6 |
| 60–69 | 335 (28.5) | 31.9 | 17.6 | 30.2 | 20.3 | 63.6 | 4.8 | 18.2 | 13.4 |
| 70–79 | 519 (44.2) | 36.2 | 13.9 | 28.1 | 21.8 | 60.3 | 5.0 | 17.9 | 16.8 |
| 80+ | 175 (14.9) | 14.3 | 12.6 | 38.3 | 34.9 | 37.1 | 9.7 | 25.1 | 28.0 |
| Gender | |||||||||
| Male | 479 (40.8) | 37.4 | 15.5 | 26.9 | 20.3 | 65.8 | 5.0 | 13.6 | 15.7 |
| Female | 695 (59.2) | 26.8 | 15.4 | 30.0 | 23.5 | 51.9 | 7.1 | 21.9 | 19.1 |
| Education | |||||||||
| None | 563 (48.0) | 35.0 | 10.5 | 32.3 | 22.2 | 61.3 | 5.2 | 16.7 | 16.9 |
| <Primary | 160(13.6) | 18.8 | 21.9 | 30.0 | 29.4 | 43.8 | 12.5 | 21.3 | 22.5 |
| Primary | 302 (25.7) | 30.6 | 17.8 | 27.3 | 24.3 | 56.3 | 5.9 | 19.7 | 18.1 |
| ≥Secondary | 149 (12.7) | 30.6 | 22.5 | 26.5 | 20.4 | 61.2 | 4.1 | 19.7 | 15.0 |
| IOL status | |||||||||
| Without | 253 (21.6) | 4.4 | 2.8 | 24.5 | 68.4 | 21.7 | 5.9 | 27.3 | 45.1 |
| IOL | |||||||||
| With IOL | 921 (78.4) | 38.4 | 18.9 | 31.5 | 11.2 | 67.4 | 6.3 | 16.1 | 10.2 |
| Year of surgery | |||||||||
| ≤1999 | 308 (26.2) | 14.0 | 10.1 | 28.3 | 47.7 | 36.4 | 5.8 | 23.1 | 34.7 |
| 2000–2003 | 357 (30.4) | 30.3 | 16.8 | 32.2 | 20.7 | 55.5 | 8.1 | 20.2 | 16.3 |
| ≥2004 | 509 (43.4) | 42.0 | 17.7 | 29.5 | 10.8 | 71.9 | 5.1 | 14.5 | 8.5 |
| Province | |||||||||
| Beijing | 189 (16.1) | 30.2 | 25.4 | 24.9 | 19.6 | 61.4 | 6.9 | 13.8 | 18.0 |
| Jiangshu | 89 (7.6) | 24.7 | 19.1 | 23.6 | 32.6 | 48.3 | 7.9 | 16.9 | 27.0 |
| Guangdong | 189 (16.1) | 9.0 | 22.2 | 39.7 | 29.1 | 34.9 | 10.1 | 31.8 | 23.3 |
| Heilongjiang | 62 (5.3) | 30.7 | 4.8 | 37.1 | 27.4 | 46.8 | 3.2 | 24.2 | 25.8 |
| Jiangxi | 99 (8.4) | 10.1 | 16.2 | 30.3 | 43.4 | 45.5 | 8.1 | 18.2 | 28.3 |
| Hebei | 111 (9.5) | 22.5 | 18.9 | 28.8 | 29.7 | 52.3 | 6.3 | 25.2 | 16.2 |
| Xinjiang | 113 (9.6) | 34.5 | 9.7 | 33.6 | 22.1 | 55.8 | 6.2 | 23.0 | 15.0 |
| Chongqing | 96 (8.2) | 34.4 | 14.6 | 26.0 | 25.0 | 56.3 | 6.3 | 20.8 | 16.7 |
| Yunnan | 226 (19.3) | 63.3 | 4.0 | 27.0 | 5.8 | 89.4 | 1.8 | 4.0 | 4.9 |
| All | 1174 (100.0) | 31.1 | 15.4 | 30.0 | 23.5 | 57.6 | 16.2 | 18.5 | 17.7 |
IOL = intraocular lens.