from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Removal of a cataract by emulsifying the lens ultrasonically.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of cataract surgery in which the eye's internal lens is emulsified with an ultrasonic handpiece and aspirated from the eye. Aspirated fluids are replaced with irrigation of balanced salt solution, thus maintaining the anterior chamber, as well as cooling the handpiece.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. extracapsular surgery for cataracts in which ultrasonic sound breaks the cortex and nucleus of the lens into small fragments that are then vacuumed away through a small tube
Greek phakos, lentil, lentil-shaped object; see bha-bhā- in Indo-European roots + emulsification.(American Heritage® Dictionary of the English Language, Fourth Edition)