Table 1

Pre and postoperative visual acuity

Preoperative6 monthsLast follow up
Mean (SD) distance visual acuity (range)0.98 (0.42) (0.12–1.7)0.93 (0.26) (0.281.4)0.97 (0.29) (0.28–1.4)
% increase ⩾15 ETDRS letters28%31%
Within ±15 ETDRS letters48%41%
% decrease ⩾15 ETDRS letters24%28%