Prevalence of visual impairment in the UK and Ireland
| Level of visual loss | Prevalence per 1000 | Age (years) | Area and year | Source of data | ||||
|---|---|---|---|---|---|---|---|---|
| SVI or blind | 0.16 | 0–16 | Eire, 1991 | Multiple source national survey23 | ||||
| 6/18 or less | 0.81 | 0–20 | Northern Ireland, 1977 | Multiple source national survey24 | ||||
| 6/18 or less | 1.81 (all) | 0–16 | Liverpool, 1996 | Multidisciplinary visual assessment team25 | ||||
| 0.63 visual loss only | ||||||||
| 1.18 with other disorder | ||||||||
SVI = severely visually impaired.