Compared with the control regimen , add-on nepafenac resulted in statistically significant reductions in the following parameters : change in macular volume at @ weeks and @ weeks ( P < @ ) , proportion of patients with more than @ m of swelling in the central macula at @ weeks ( P < @ ) and @ weeks ( P = @ ) , mean laser flare intensity at @ day ( P = @ ) , pain during the first @ hours postoperatively ( P < @ ) , and ocular discomfort and photophobia during the first @ postoperative weeks ( P = @ and P = @ , respectively ) .