| County | Huidong | Renhua | Qujiang |
|---|---|---|---|
| *χ2 48.8 p<0.0001 | |||
| Intervention | Training | Price reduction | Both |
| Population | 560 000 | 160 000 | 350 000 |
| Population older than 50 years | 112 000 | 32 000 | 70 000 |
| Estimated cataract blind | 1904 | 544 | 1190 |
| Number who came forward for surgery | 225 | 94 | 443 |
| Number who had surgery | 173 | 78 | 392 |
| % acceptance of surgery | 76.9 | 83.0 | 89.2 |
| CDR (%) | 225/1904(11.8) | 94/544(17.3) | 443/1190(37.2) |
| CSR* | 309 | 487 | 1120 |
| CSR before study | 89 | 63 | 114 |