title: [Phacoemulsification aspiration and intraocular lens implantation].
abstract: OBJECTIVE
  To investigate the characteristics of phacoemulsification of cataract in our country and management and prevention of its complications.
  
  
  METHODS
  The procedure of phacoemulsification with small incision (6 mm) intraocular lens implantation was improved and was performed on 40 eyes of 40 cases. They had been followed up for 3-6 months postoperatively and their follow-up results were summarized.
  
  
  RESULTS
  The uncorrected visual acuity 1.0 or better was in 57.5%, 0.8 or better in 82.5% and 0.5 or better in 97.5%. The postoperative mean astigmatism was 0.50 +/- 0.25 D, which was less than that in the large incision group (9-12 mm) performed on 40 cases in the same period (P < 0.001). Cataract with hard nucleus can be successfully taken out by the technique of peripheral rotation engraving method.
  
  
  CONCLUSIONS
  The operation is a safe reliable one for restoration of visual acuity in patients with cataract, and is superior to extracapsular cataract extraction.
authors.affiliation: Ophthalmology Department, Henan Medical University, First Teaching Hospital, Zhengzhou.
authors.forename: G
authors.initials: G
authors.lastname: Zheng
authors.forename: G
authors.initials: G
authors.lastname: Chen
authors.forename: Y
authors.initials: Y
authors.lastname: Chen
mesh_terms: D000328:Adult; D000368:Aged; D001251:Astigmatism / Q000209:etiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007907:Lens Nucleus, Crystalline / Q000601:surgery; D007910:Lenses, Intraocular; D008297:Male; D008875:Middle Aged; D018918:Phacoemulsification / Q000009:adverse effects / Q000379:methods; D014792:Visual Acuity