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Comparison of age specific blindness (<3/60 better eye presenting) prevalence rates (per 1000 population) in Jimma8 and Gurage, Ethiopia
| Age group | Jimma | Gurage | Excess blindness in Gurage |
| 40–49 | 7.16 | 34.0 | 4.7 |
| 50–59 | 13.1 | 66.5 | 5.1 |
| 60–69 | 83.0 | 122.2 | 1.5 |
| 70+ | 175.2 | 279.2 | 1.6 |
