Abstract
ABSTRACT We describe a novel technique of nucleotomy in phacoemulsification called “energy-efficient chop.” The technique aims at reducing the phaco energy inside the eye when emulsifying the nucleus of any grade. After hydrodissection, the phaco tip is embedded into the nucleus using ultrasound energy and stabilized using vacuum and divided into two halves using either horizontal or vertical chop. After rotating the nucleus by 180°, the balanced tip is embedded horizontally in the center of the heminucleus using phaco power and stabilized using vacuum and each heminucleus is further divided into 3 or 4 pieces depending on the grade of cataract and emulsified. The balanced tip when embedded horizontally allows a larger area of the heminucleus to be held and thus makes chopping easier without having to bury the tip at multiple places in the heminucleus. This technique decreases the total phaco energy dissipated in the anterior chamber during phacoemulsification.
Published Version
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