May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Affects of Position and Shape of CCC (Continuous Curvilinear Capsulorhexis) on Dislocation of Intraocular Lens (IOL) Following Cataract Surgery
Author Affiliations & Notes
  • M. Nagata
    Ophthalmology, Dokkyo Medical University, Mibu, Japan
  • H. Matsushima
    Ophthalmology, Dokkyo Medical University, Mibu, Japan
  • K. Mukai
    Ophthalmology, Dokkyo Medical University, Mibu, Japan
  • W. Terauchi
    Ophthalmology, Dokkyo Medical University, Mibu, Japan
  • T. Senoo
    Ophthalmology, Dokkyo Medical University, Mibu, Japan
  • Footnotes
    Commercial Relationships  M. Nagata, None; H. Matsushima, None; K. Mukai, None; W. Terauchi, None; T. Senoo, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 3338. doi:
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      M. Nagata, H. Matsushima, K. Mukai, W. Terauchi, T. Senoo; Affects of Position and Shape of CCC (Continuous Curvilinear Capsulorhexis) on Dislocation of Intraocular Lens (IOL) Following Cataract Surgery. Invest. Ophthalmol. Vis. Sci. 2008;49(13):3338.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : Dislocation of intraocular lens (IOL) will cause decrease of visual function for recent advanced IOLs such as aspheric and multi focal. The affects of the position and shape of CCC (continuous curvilinear capsulorhexis) on dislocation of intraocular lens (IOL) following cataract surgery were evaluated.

Methods: : The study was conduct 102 eyes of 92 patients that had undergone cataract surgery in our hospital. SA60AT (Alcon), VA-60BB (HOYA) were randomly selected and implanted after phacoemulsification. The series comprised 44 eyes in which the edges of IOL optics were covered by the anterior capsule (complete cover, CC group) and 58 eyes in which the edges of IOL optics was incompletely covered (non complete cover, NCC group). The tilting and decentration of IOLs were analyzed by EAS1000 (NIDEK) at 1 weeks, 1 month , 3 months and 6 months.

Results: : The average of tilting in SA60AT were 3.83±2.48 ° (CC group) and 4.93±2.35 ° (NCC group) , the average of tilting in VA-60BB were 2.07±0.93 ° (CC group) and 4.68±1.90 ° (NCC group) after 6 months postoperatively. The average of decentraion in SA60AT were 0.31±0.21mm (CC group) and 0.39±0.19mm (NCC group) , the average of decentraion in VA60BB were 0.15±0.07mm (CC group) and 0.31±0.25mm (NCC group) after 6 months postoperatively. The tilting and decentraion in NCC group were significantly higher than CC group in the both of IOLs.

Conclusions: : Unsuitable position and shape of CCC increase the dislocation of IOL. Precise and certain CCC technique might be important to obtain visual function for advance IOLs.

Keywords: intraocular lens • clinical (human) or epidemiologic studies: outcomes/complications • imaging/image analysis: clinical 
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