June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Posterior capsular wrinkle in eyes with 2 types of 1-piece intraocular lens
Author Affiliations & Notes
  • Eri Shibuya
    Kanazawa Medical University, Ishikawa, Japan
  • Mai Sasaki
    Kanazawa Medical University, Ishikawa, Japan
  • Norihiro Mita
    Kanazawa Medical University, Ishikawa, Japan
  • Ayako Okamoto
    Kanazawa Medical University, Ishikawa, Japan
  • Mai Kita
    Kanazawa Medical University, Ishikawa, Japan
  • Hiromi Osada
    Kanazawa Medical University, Ishikawa, Japan
  • Naoko Shibata
    Kanazawa Medical University, Ishikawa, Japan
  • Yoriko Takahashi
    Kanazawa Medical University, Ishikawa, Japan
  • Eri Kubo
    Kanazawa Medical University, Ishikawa, Japan
  • Hiroshi Sasaki
    Kanazawa Medical University, Ishikawa, Japan
  • Footnotes
    Commercial Relationships   Eri Shibuya, None; Mai Sasaki, None; Norihiro Mita, None; Ayako Okamoto, None; Mai Kita, None; Hiromi Osada, None; Naoko Shibata, None; Yoriko Takahashi, None; Eri Kubo, None; Hiroshi Sasaki, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 2723. doi:
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    • Get Citation

      Eri Shibuya, Mai Sasaki, Norihiro Mita, Ayako Okamoto, Mai Kita, Hiromi Osada, Naoko Shibata, Yoriko Takahashi, Eri Kubo, Hiroshi Sasaki; Posterior capsular wrinkle in eyes with 2 types of 1-piece intraocular lens. Invest. Ophthalmol. Vis. Sci. 2017;58(8):2723.

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

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Abstract

Purpose : To compare the incidence of posterior capsular wrinkle (PCW),relationships among PCW and lens capsular diameter, PCW position and deviation of intraocular lens (IOL) for 2 types of IOL.

Methods : Subjects, 238 eyes (72.1±8.5 yrs) with Alcon IOL (AcrySof group) and 181 (74.2±9.6 yrs) with AMO IOL (TECNIS group) underwent phacoemulsification and 1-piece IOL implantation at Kanazawa Medical University Hospital and Anamizu General Hospital. PCW in the 3 mm diam. of pupil center was determined from retroillumination images (EAS-1000, NIDEK) 1-month post-surgery. PCW site was measured counterclockwise, with the optic-haptic junction or toric mark as 0°. Axial length (AL), WTW (White To White, corneal horizontal diam and curvature radius, were measured as lens capsular diameter factors (IOL Master,ZEISS) pre- and IOL deviation (EAS-1000) 1-month post-surgery.

Results : Incidence of PCW in AcrySof (47.9%) was higher than in TECNIS (30.4%) (P<0.05), and in small WTW regardless of group (P<0.05). Incidence by axial length <11.5mm, ≥11.5mm, <12mm and ≥12mm was 53.5%, 43.4% and 45.5% in AcrySof and 36.4%, 32.1% and 13.3% in TECNIS, respectively. It was higher in TECNIS with WTW<11.5mm than ≥11.5mm and <12mm and ≥12.5mm (P<0.05). And with AL<23.0mm, ≥23.0mm, <24.5mm and ≥24.5mm was 61.9%, 45.5% and 38.8% in AcrySof and 35.6%, 25.6% and 5.6% in TECNIS, respectively. It was higher with AL <23.0mm than ≥23.0mm, <24.5mm and ≥24.5mm regardless of group (P<0.05). PCW tended to be located at 63.9±5.2° in TECNIS, with no specific trend in AcrySof (72.4±26.8°). There was no significant difference in IOL tilt or decentration between IOL type, however IOL tilt and decentration in eyes with PCW were larger in AcrySof (P<0.05).

Conclusions : The mechanism of PCW formation may differ by IOL. PCW in eyes with AcrySof may denote good fixation in the capsular bag, however, that with AcrySof may indicate risk of IOL tilt and deviation due to adhesion between the IOL and posterior capsule besides IOL haptics, in addition to haptic pressure to the capsular bag. In TECNIS, PCW may be due to IOL haptic pressure to smaller capsular bags.
Financial Disclosure of authors: None to declare.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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