Mean viscoelastic material used intraoperatively ( 3.69 mL + / - 0.81 [ SD ] versus 1.76 + / - 0.54 mL ) and the time required to manage the nucleus ( 7.78 + / - 2.07 minutes versus 2.53 + / - 1.18 minutes ) were significantly greater in the phacofracture than in the phacoemulsification group , respectively .
