title: Phaco-emulsification and aspiration of senil cataracts: a comparative study with intra-capsular extraction.
mesh_terms: D000328:Adult; D000368:Aged; D002386:Cataract / Q000209:etiology; D002387:Cataract Extraction; D003452:Cryosurgery; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications; D014464:Ultrasonic Therapy / Q000295:instrumentation; D014792:Visual Acuity