Table 4

Prevalence of visual impairment in the UK and Ireland

Level of visual lossPrevalence per 1000Age (years)Area and yearSource of data
SVI or blind0.160–16Eire, 1991Multiple source national survey23
6/18 or less0.810–20Northern Ireland, 1977Multiple source national survey24
6/18 or less1.81 (all)0–16Liverpool, 1996Multidisciplinary visual assessment team25
 0.63 visual loss only
 1.18 with other  disorder
  • SVI = severely visually impaired.