AIM:To determine the tearing angle and tearing force,and effects of associated pressures in tearing of various materials and human lens capsule in continuous curvilinear capsulorhexis (CCC).

• 目的:针对不同材料及连续环形撕囊术中人晶状体囊,测量其撕裂角度和力度,并评价所产生的压力。