Bristol Eye Hospital, Lower Maudlin Street, Bristol BS1 2LX, UK 1
West of England Eye Unit, Royal Devon and Exeter Hospital, Barrack Road,
Wonford, Exeter EX2 5DW, UK
Figure 1.Visual acuity at presentation and at last hospital visit. 6/6-6/12,
Snellen acuity; CF=counting fingers; HM=hand movements; PL=perception of
light; NPL=no perception of light; presentation; last visit