Table 1

Comparison of European decimals to Snellen equivalent for measurement of visual acuity

Snellen equivalent
European decimal5 metres1 metre
0.0255/200
0.035/160
0.045/125
0.055/100
0.065/80
0.085/63
0.120/2005/50
0.12520/1605/40
0.1620/1255/32
0.220/1005/25
0.2520/805/20
0.3220/635/16
0.420/505/12.5
0.520/405/10
0.6320/32
0.820/25
1.020/20
1.2520/16