title: [Relationship between ciliary muscle contraction and the pseudo accommodation after the implantation of foldable intraocular lenses].
abstract: OBJECTIVE
  To investigate the relationship between high frequency component of accommodative microfluctuation (HFC) and the pseudo accommodation after the implantation of foldable intraocular lenses (IOL).
  
  
  METHODS
  With ARK-730A accommodation analyzer we checked HFC in 50 cases (50 eyes) of patients who had good pupil reaction to light and the pupil diameter was 2.0 approximately 3.5 mm approximately. Three months after the implantation of foldable IOL, the relationship among ciliary muscle accommodative microfluctuation, IOL movement and pseudo accommodation was analyzed.
  
  
  RESULTS
  There was positive correlation between ciliary muscle accommodative microfluctuation and IOL movement (r = 0.702, P < 0.01), between IOL movement and pseudo accommodation (r = 0.861, P < 0.01), and between ciliary muscle accommodative microfluctuation and pseudo accommodation (r = 0.915, P < 0.01). Pseudo accommodation was greater in patients who showed more ciliary muscle accommodative microfluctuation and IOL movement.
  
  
  CONCLUSIONS
  HFC induces IOL movement, and it is one of the most important reasons for pseudo accommodation after foldable IOL implantation.
authors: Beijing Tongren Ophthalmology Center, Capital University of Medical Science, Beijing 100730, China.
authors: Zhe
authors: Z
authors: Dong
authors: Ning-li
authors: NL
authors: Wang
authors: Si-Quan
authors: SQ
authors: Zhu
authors: Jun
authors: J
authors: Wang
authors: Kai-jie
authors: KJ
authors: Wang
authors: Li-yun
authors: LY
authors: Jia
authors: Shi-qiang
authors: SQ
authors: Zhao
authors: Xiao-bing
authors: XB
authors: Wang
mesh_terms: D000065:Accommodation, Ocular; D000368:Aged; D002924:Ciliary Body / Q000502:physiology*; D005260:Female; D006801:Humans; D019654:Lens Implantation, Intraocular / Q000295:instrumentation*; D007910:Lenses, Intraocular; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction