May 2007
Volume 48, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2007
Inhibitory Effect of Capsular Tension Ring on Anterior Capsule Shrinkage in Exfoliation Syndrome After Cataract Surgery
Author Affiliations & Notes
  • Y. Harada
    Ophthalmology, Univ of Occup & Environ Health, Kitakyushu-Shi, Japan
  • R. Sohma
    Ophthalmology, Univ of Occup & Environ Health, Kitakyushu-Shi, Japan
  • A. Tawara
    Ophthalmology, Univ of Occup & Environ Health, Kitakyushu-Shi, Japan
  • Footnotes
    Commercial Relationships Y. Harada, None; R. Sohma, None; A. Tawara, None.
  • Footnotes
    Support None.
Investigative Ophthalmology & Visual Science May 2007, Vol.48, 1086. doi:
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      Y. Harada, R. Sohma, A. Tawara; Inhibitory Effect of Capsular Tension Ring on Anterior Capsule Shrinkage in Exfoliation Syndrome After Cataract Surgery. Invest. Ophthalmol. Vis. Sci. 2007;48(13):1086.

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

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Abstract

Purpose:: To examine the inhibitory effect of capsular tension ring (CTR) on anterior capsule shrinkage in exfoliation syndrome after cataract surgery.

Methods:: Twenty-two eyes of 17 patients with exfoliation syndrome had phacoemulsification and aspiration (PEA) with intraocular lens (IOL) (HOYATM VA60BA) implantation. In A group (10 eyes), we performed only cataract surgery without using CTR. In B group (6 eyes), we inserted CTR (LucidTM CTR 98A) after IOL insertion. In C group (6 eyes), after CTR insertion, we sutured both eyelets by a polypropylene thread. The cases with ectopia lentis and lensdonasis during operation and preoperation were excluded. We used a scale of a Haag-Strait slit lamp and measured longitudinal diameters and transverse diameters of postoperative capsulorhexis opening. We calculated the area of anterior capsule opening. The measurements were taken 1 day (baseline), 2, 4, 8 and 12 weeks postoperatively. We used Wilcoxon signed-ranks test for a chronologic change, and Kruskal-Wallis test for comparison between each group.

Results:: The area of anterior capsule opening had decreased significantly in A group 4weeks later postoperatively (P <0.05). In B group, the area significantly decreased in 12 weeks (P <0.05). But there was no significant change in C group. And There was no significant difference among three groups in 2, 4, 8weeks, but the area of A group was significantly smaller than that of C group in 12 weeks (P <0.05).

Conclusions:: In cataract surgery of exfoliation syndrome, we could inhibit the anterior capsule shrinkage if we closed the eyelets of CTR.

Keywords: cataract • clinical (human) or epidemiologic studies: systems/equipment/techniques 
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