The mean time of searching the nasal cut ends of lacerated lacrimal canaliculi in Group B was ( 5.02 + / -0.73 ) minutes and the mean time of operation was ( 33.90 + / -4.84 ) minutes , and both were significantly shorter than those of Group A ( t ( 1 ) equal to 9.779 , t ( 2 ) equal to 10.700 , P less than 0.01 ) .
