Lensectomy through the pars plana by ultrasonic fragmentation (USF).
D000328:Adult; D000368:Aged; D002387:Cataract Extraction / Q000295:instrumentation / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007431:Intraoperative Complications; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications; D014464:Ultrasonic Therapy / Q000379:methods*; D014792:Visual Acuity