Table 4 Severity and causes of visual impairment
From: Childhood disability in rural Niger: a population-based assessment using the Key Informant Method
Severity (logMar) | N of children | % |
Moderate (≥ 0.5 and ≤ 1) | 17 | 37.8 |
Severe (> 1 and ≤ 1.3) | 0 | 0 |
Profound (blind) (> 1.3) | 28 | 62.2 |
Causes | N of diagnosisa | % |
Refractive Error | 11 | 12.2 |
Cataract | 30 | 33.3 |
Aphakia | 2 | 2.2 |
Surgical | 1 | 1.1 |
Other Corneal Scar | 2 | 2.2 |
Globe Abnormality | 2 | 2.2 |
Cortical Blind | 12 | 13.3 |
Other | 10 | 11.1 |
Unknown | 20 | 22.2 |