title: Ultrasound energy in phacoemulsification: a comparative analysis of phaco-chop and stop-and-chop techniques according to the degree of nuclear density.
authors.affiliation: Department of Ophthalmology, Seoul Paik Hospital, Inje University College of Medicine, Busan.
authors.forename: Jung Hyun
authors.initials: JH
authors.lastname: Park
authors.forename: Sang Mok
authors.initials: SM
authors.lastname: Lee
authors.forename: Ji-Won
authors.initials: JW
authors.lastname: Kwon
authors.forename: Mee Kum
authors.initials: MK
authors.lastname: Kim
authors.forename: Joon Young
authors.initials: JY
authors.lastname: Hyon
authors.forename: Won Ryang
authors.initials: WR
authors.lastname: Wee
authors.forename: Jin Hak
authors.initials: JH
authors.lastname: Lee
authors.forename: Young Keun
authors.initials: YK
authors.lastname: Han
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002386:Cataract / Q000473:pathology*; D002452:Cell Count; D055954:Corneal Endothelial Cell Loss / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control; D004728:Endothelium, Corneal / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007907:Lens Nucleus, Crystalline / Q000473:pathology* / Q000601:surgery; D008297:Male; D033401:Microscopy, Acoustic; D008875:Middle Aged; D018918:Phacoemulsification / Q000009:adverse effects / Q000379:methods*; D019106:Postoperative Hemorrhage; D011446:Prospective Studies; D013010:Sonication / Q000009:adverse effects / Q000379:methods*; D016896:Treatment Outcome; D014792:Visual Acuity