This activity is supported by an educational grant from Abbott Medical Optics, Inc.
Either the venturi or peristaltic pump would be effective for removal of a soft nucleus. Surgeons prefer the venturi pump’s fluidics for removal of a soft lens. They can utilize a low vacuum rate of approximately 150 mm Hg and safely draw in the soft fragments without requiring occlusion, which may risk phacoemulsifying through a segment into a potential capsule. For dense cataracts, some surgeons find it is best to impale and chop with the peristaltic pump and then use the venturi pump to remove the segments.
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