TABLE 1.
The prevalence of cataract surgery and cataract surgical coverage among those with severe vision impairment or blindness (VA<20/200) because of cataract in one or both eyes by age, sex, education level, and study site in the 2014 survey.
| Study Variable | Examined | Cataract-Operated Persons
|
Un-Operated Cataract VI/BL Persons b | Cataract Surgical Coverage (%) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Total Operated | Presumed VI/BLa | ||||||||
| No. | (%) | No. | Prevalence (%) | No. | Prevalence (%) | No. | Prevalence (%) | ||
|
| |||||||||
| Age (y) | |||||||||
|
| |||||||||
| 50–59 | 18,224 | (35.5) | 182 | 1.00 | 74 | 0.41 | 29 | 0.16 | 71.8 |
|
| |||||||||
| 60–69 | 19,435 | (37.9) | 545 | 2.80 | 258 | 1.33 | 109 | 0.56 | 70.3 |
|
| |||||||||
| 70–79 | 10,218 | (19.9) | 830 | 8.12 | 505 | 4.94 | 250 | 2.45 | 66.9 |
|
| |||||||||
| 80+ | 3,433 | (6.69) | 543 | 15.8 | 413 | 12.0 | 355 | 10.3 | 53.8 |
|
| |||||||||
| Sex | |||||||||
|
| |||||||||
| Male | 22,245 | (43.4) | 850 | 3.82 | 495 | 2.23 | 259 | 1.16 | 65.7 |
|
| |||||||||
| Female | 29,065 | (56.7) | 1,250 | 4.30 | 755 | 2.60 | 484 | 1.67 | 60.9 |
|
| |||||||||
| Education Level | |||||||||
|
| |||||||||
| None | 17,423 | (34.0) | 1,088 | 6.24 | 695 | 3.99 | 525 | 3.01 | 57.0 |
|
| |||||||||
| Less than Primary | 9,838 | (19.2) | 348 | 3.54 | 204 | 2.07 | 102 | 1.04 | 66.7 |
|
| |||||||||
| Primary | 12,586 | (24.5) | 375 | 2.98 | 212 | 1.68 | 87 | 0.69 | 70.9 |
|
| |||||||||
| Secondary or More | 11,463 | (22.3) | 289 | 2.52 | 139 | 1.22 | 29 | 0.25 | 82.7 |
|
| |||||||||
| Study Site | |||||||||
|
| |||||||||
| Beijing | 5,310 | (10.4) | 208 | 3.92 | 117 | 2.20 | 23 | 0.43 | 83.6 |
|
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| Jiangsu | 5,823 | (11.4) | 219 | 3.76 | 112 | 1.92 | 83 | 1.43 | 57.4 |
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| |||||||||
| Guangdong | 5,638 | (11.0) | 359 | 6.37 | 232 | 4.11 | 134 | 2.38 | 63.4 |
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| Heilongjiang | 5,381 | (10.5) | 85 | 1.58 | 57 | 1.06 | 39 | 0.72 | 59.4 |
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| Jiangxi | 5,511 | (10.7) | 245 | 4.45 | 159 | 2.89 | 45 | 0.82 | 77.9 |
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| Heibei | 6,282 | (12.2) | 224 | 3.57 | 119 | 1.89 | 49 | 0.78 | 70.8 |
|
| |||||||||
| Ningxia | 4,982 | (9.71) | 90 | 1.81 | 53 | 1.06 | 29 | 0.58 | 64.6 |
|
| |||||||||
| Chongqing | 6,791 | (13.2) | 342 | 5.04 | 212 | 3.12 | 94 | 1.38 | 69.3 |
|
| |||||||||
| Yunnan | 5,592 | (10.9) | 328 | 5.87 | 189 | 3.38 | 247 | 4.42 | 43.4 |
|
| |||||||||
| All Study Sites | 51,310 | (100.0) | 2,100 | 4.09 | 1,250 | 2.44 | 743 | 1.45 | 62.7 |
a
Bilaterally-operated and presumed to have been visually impaired or blind (visual acuity < 20/200) in both eyes because of cataract or unilaterally operated and presumed to have been visually impaired or blind in both eyes with cataract in one or both eyes.
b
Visually impaired or blind (visual acuity < 20/200) in both eyes with unoperated cataract in at least one eye.