Distribution of presenting visual acuity in the better eye of participants (n=8563), according to different classifications of vision loss
| LogMAR (better eye) | Snellen equivalent | Classification | n | Crude prevalence (95% CI) | Adjusted prevalence (%) |
|---|---|---|---|---|---|
| >1.30 | <3/60 | WHO Blindness | 6 | 0.07% (0.01 to 0.13) | 0.05 |
| >1.00 ≤1.30 | <6/60 ≥3/60 | WHO Severe Visual Impairment | 8 | 0.09% (0.03 to 0.16) | 0.05 |
| >0.48 ≤1.00 | <6/18 ≥6/60 | WHO Moderate Visual Impairment | 49 | 0.57% (0.41 to 0.73) | 0.44 |
| >0.48 | <6/18 | Visual impairment (including blindness) | 63 | 0.74% (0.55 to 0.92) | 0.55 |
| >0.22 | <6/10 | Below UK driving standard equivalent | 503 | 5.87% (5.38 to 6.37) | 5.65 |
Adjusted figures represent rates directly standardised to the mid-2010 population of England by age and sex.