Table 4 Frequencies of VI categories among adults aged ≥ 18 years with visual impairment at Debre Berhan town, North Shewa, Ethiopia, 2018 (n = 70, n = number of adults with visual impairment)
| Visual impairment category | Frequency | Percentage (%) | |
|---|---|---|---|
| < 6/18–6/60 | Bilateral moderate VI | 22 | 31.4 |
| < 6/60–3/60 | Bilateral sever VI | 2 | 2.9 |
| < 3/60-NLP | Bilateral blindness | 3 | 4.3 |
| < 6/18–6/60, other eye 6/6–6/18 | Monocular moderate VI | 21 | 30.0 |
| < 6/60–3/60, other eye 6/6–6/60 | Monocular sever VI | 4 | 5.7 |
| < 3/60-NLP, other eye 6/6–3/60 | Monocular blindness | 18 | 25.7 |
| Total | 70 | 100.0 | |