Ultrasonic Phacoemulsification Cataract Removal Opacification. Ultrasonic phacoemulsification, introduced by Kelman1 in 1967, has unquestionably been a major breakthrough in the technique of cataract removal. However, there are two main frontiers that remain to be conquered for optimal results following cataract surgery. Can a laser remove cataracts? This question is asked all the time. These are posterior capsule opacification (PCO) and loss of accommodation. Using laser surgery to remove cataract conditions is really where it is at today. The procedure is quick, and the recovery time is dramatically less.