Abstract

SA.27.13

Evaluation of postoperative rotational stability and centration of a microincision plate haptic IOL – Observation period up to 24 months

Kamppeter B. A.
Augenarztpraxis, Bayreuth

Objective: Evaluation of postoperative rotational stability and centration in the capsular bag after implantation of a microincision intraocular lens with plate haptic design.
Methods: This trial is based on the examination of 43 eyes of 37 patients. Implantation of the intraocular lens (IOL) is effected through a minimally invasive incision of 1.4mm using an injector system. The IOL applied is a foldable, spherical plate haptic intraocular lens intended for MICS (micro incision cataract surgery). In order to determine the correct position of the lens in the capsular bag, the IOL was provided with markers prior to implantation. Up to 2 years upon implantation, BCVA, refraction, centration, rotational stability and PCO were measured.
Results: 24 months after implantation, 42 eyes showed no rotation or decentration; particularly in high myopic eyes and after Nd:YAG laser discision the IOL remains stable. One of the IOLs was found to rotate by 6° anticlockwise which was caused by flattening of the anterior chamber on the first postoperative day. After that day the IOL remained in a stable position. Adverse events were not reported.
Conclusions: The *Acri.Smart 46S is a safe, effective and stable IOL allowing for the combination of cataract surgery and refractive correction. The rotational stability, centred position of this IOL, and the possibility for astigmatism-neutral MICS (1.4 mm incision size) make the *Acri.Smart 46S an excellent refractive toric IOL even for small-scale corneal astigmatism correction.

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