title: [Clinical research of the implantation of phakic anterior chamber intraocular lens for high myopia].
abstract: OBJECTIVE
  To investigate the efficacy and safety of the implantation of phakic anterior chamber intraocular lens (IOL) for high myopia.
  
  
  METHODS
  A consecutive group of 73 eyes in 41 patients with -7.00 to -30.00 diopters (D) of myopia were implanted.
  
  
  RESULTS
  All of 73 eyes were implanted successfully and have been followed-up for 3 m (months). The uncorrected visual acuity was from FC/33 cm to 0.2 pre-operatively and 0.1 to 1.0 3 m post-operatively. The best corrected visual acuity (BCVA) was from 0.05 to 1.0 pre-operatively and 0.1 to 1.0 3 m post-operatively. The post-operative BCVA of every eye was not worse than the pre-operative one. The refractive diopters were from -7.00 to -30.00 D pre-operatively and -6.00 to +2.50 D 3 m post-operatively. There were no significant differences between pre- and 3 m post-operative mean corneal astigmatism (t = 1.751, P = 0.082) and mean intraocular pressure (IOP) (t = 1.181, P = 0.240), respectively. The mean counts of endothelial cells was (2 680 +/- 538)/mm(2) pre-operatively and (2 514 +/- 420)/mm(2) 3 m post-operatively. There was no significant difference (t = 1.182, P = 0.242) though it decreased 6.19%. No severe complications occurred.
  
  
  CONCLUSIONS
  The implantation of phakic anterior chamber IOL for high myopia is predictable, reversible and controllable with simple manipulation. No severe complication occurred in 3 m post-operatively, and long-time follow-up is still required.
authors.affiliation: Eye Center, Affiliated Second hospital, Medical College of Zhejiang University, Hangzhou 310009, China. zjhzecyk@mail.hz.zj.cn
authors.forename: Ke
authors.initials: K
authors.lastname: Yao
authors.forename: Wen
authors.initials: W
authors.lastname: Xu
authors.forename: Jian-chun
authors.initials: JC
authors.lastname: Yu
authors.forename: Wei-ying
authors.initials: WY
authors.lastname: Zhang
authors.forename: Yong-cheng
authors.initials: YC
authors.lastname: Pan
authors.forename: Xin-hua
authors.initials: XH
authors.lastname: Du
authors.forename: Pei-qing
authors.initials: PQ
authors.lastname: Chen
authors.forename: Hong
authors.initials: H
authors.lastname: Yi
authors.forename: Di-ling
authors.initials: DL
authors.lastname: Wan
authors.forename: Zeng-qi
authors.initials: ZQ
authors.lastname: Li
authors.forename: Hong-bin
authors.initials: HB
authors.lastname: Ye
mesh_terms: D000293:Adolescent; D000328:Adult; D000867:Anterior Chamber; D005260:Female; D006801:Humans; D019654:Lens Implantation, Intraocular; D007910:Lenses, Intraocular; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000628:therapy*; D016896:Treatment Outcome