phac·o·e·mul·si·fi·ca·tion (f k  - -m ls -f-k  shn)n. Removal of a cataract by emulsifying the lens ultrasonically. [Greek phakos, lentil, lentil-shaped object; see bha-bh - in Indo-European roots + emulsification.] |
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| Noun | 1. | phacoemulsification - 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 extracapsular surgery - cataract surgery in which only the front of the lens is removed; the back of the lens capsule remains intact and provides support for the lens implant |
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