• Quick Chop for N4+ Cataract Description: This video shows Quick Chop technique for N4. Settings are overlaid on the screen. The chopper used is Neuhann Chopper, Geuder GmbH (no financial interest). This technique significantly reduces ultrasound energy consumption inside the eye. The average ultrasound by the end of phacoemulsification was 7%. Subspecialty: Cataract / Anterior Segment Level: Intermediate Uploaded By: Ahmed Assaf