Fig. 3From: Comparison of power-free-chop and phaco-chop techniques for moderate nucleiThe procedure of phaco-chop technique. The phaco tip was buried in the centre of the nucleus using ultrasound power and the chopper was placed beyond the hemisphere (a, b). The phaco tip was buried in the centre of 2 hemispheres using ultrasound power and the chopper was placed beyond the hemisphere (c, d)Back to article page