Abstract
Purpose
Plate-haptic rotationally asymmetric multifocal toric intraocular lenses (IOL) (Lentis Comfort Toric) occasionally rotate extensively after surgery. We conducted the current study to investigate the incidence of extensive misalignment of this IOL and its association with clinical parameters.
Study design
Retrospective case series.
Subjects and methods
Data were collected from patients who had undergone phacoemulsification and implantation of a plate-haptic multifocal toric IOL.
Results
Among 332 eyes, extensive misalignment of toric IOLs ≥ 45º occurred in 3.3% (11 eyes). The amount of misalignment in eyes with extensive misalignment was 81.6 ± 22.9º, while in those without extensive misalignment, it was 3.0 ± 2.7º. The eyes with extensive misalignment showed significantly greater axial length (p < 0.001), larger corneal diameter (p = 0.034), and flatter corneas (p = 0.044) than those without extensive misalignment. Repositioning surgery to correct toric IOL misorientation was conducted in 9 eyes between 7 and 28 days after cataract surgery. In 2 eyes, repositioning surgery was carried out twice.
Conclusions
In majority of cases plate-haptic multifocal toric IOLs showed satisfactory rotational stability, but extensive misalignment ≥ 45º occurred in 3.3% of cases.
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T. Oshika, Grant to the author’s institution (Santen), Consulting fees, Honoraria for lecture fee, Participation on Advisory Board (Santen); S. Nakano, None; M. Inamura, None; N. Ikai, None; Y. Kato, None; I. Izumi, None; K. Shimokawabe, None.
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Corresponding Author: Tetsuro Oshika
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Oshika, T., Nakano, S., Inamura, M. et al. Extensive misalignment of plate-haptic rotationally asymmetric multifocal toric intraocular lens. Jpn J Ophthalmol 67, 560–564 (2023). https://doi.org/10.1007/s10384-023-01001-x
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DOI: https://doi.org/10.1007/s10384-023-01001-x