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Br J Ophthalmol 2001;85:1294-1297 doi:10.1136/bjo.85.11.1294
  • Scientific correspondence

Anterior capsule contraction and intraocular lens decentration and tilt after hydrogel lens implantation

  1. Ken Hayashia,
  2. Hideyuki Hayashib,
  3. Fuminori Nakaoa,
  4. Fumihiko Hayashia
  1. aHayashi Eye Hospital, Fukuoka, Japan, bDepartment of Ophthalmology, School of Medicine, Fukuoka University, Fukuoka, Japan
  1. Ken Hayashi, Hayashi Eye Hospital, 4-7-13 Hakataekimae, Hakata-Ku, Fukuoka 812, Japanhayashi-ken{at}hayashi.or.jp
  • Accepted 29 May 2001

Abstract

AIM To prospectively investigate changes in the area of the anterior capsule opening, and intraocular lens (IOL) decentration and tilt after implantation of a hydrogel IOL.

METHODS 100 patients underwent implantation of a hydrogel IOL in one eye and an acrylic IOL implantation in the opposite eye. The area of the anterior capsule opening, and the degree of IOL decentration and tilt were measured using the Scheimpflug videophotography system at 3 days, and at 1, 3, and 6 months postoperatively.

RESULTS The mean anterior capsule opening area decreased significantly in both groups. At 6 months postoperatively, the area in the hydrogel group was significantly smaller than that in the acrylic group. The mean percentage of the area reduction in the hydrogel group was also significantly greater than that in the acrylic group, being 16.9% in the hydrogel group and 8.8% in the acrylic group. In contrast, IOL decentration and tilt did not progress in either group. No significant differences were found in the degree of IOL decentration and tilt throughout the follow up period.

CONCLUSIONS Contraction of the anterior capsule opening was more extensive with the hydrogel IOL than with the acrylic IOL, but the degree of IOL decentration and tilt were similar for the two types of lenses studied.

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