Ultrasonic knife allows prechop of dense lenses

MILAN — The use of an ultrasonic knife attached to a standard phaco handpiece allows safe and efficient prechop of dense lenses, according to one surgeon."With very dense nuclei, I can’t prechop using a standard instrument because I cannot get it inside the nucleus," Jeffrey D. Horn, MD, said at the annual joint meeting of Ocular Surgery News and the Italian Society of Ophthalmology.

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