Mean pupil diameter ( mm ) was preopertively : 7.52 1.21 , 7.30 1.55 and 7.99 0.96 ( ANOVA : p = 0.079 ) ; after nucleus delivery : 6 1.20 , 6.29 1.12 and 6.52 0.81 ( ANOVA : p = 0.123 ) ; before IOL implantation : 5.46 1.06 , 5.83 1.09 and 6.17 0.89 ( ANOVA : p = 0.0291 ) .