Assertion: cataract's lens | /r/CapableOf | use sound waves
Facets:
Source sentences:
text: In this procedure, the lens is either broken up using sound waves (a process called phacoemulsification, or phaco), then extracted through a tiny hollow tube, or it is removed in one piece.
text: In this procedure, the lens is either broken up using sound waves (a process called phacoemulsification, or phaco), then extracted through a tiny hollow tube, or it is removed in one piece.