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IOL tilts that are greater than 10° induce refractive error.īellucci R, Pucci V, Morselli S, Bonomi L (1996) Secondary implantation of angle-supported anterior chamber and scleral-fixated posterior chamber intraocular lenses. Optical simulations also revealed a myopic shift that exponentially increased as the tilt became greater. In particular, a tilt angle greater than 10° strongly affected the refractive error. The degree of IOL tilt was correlated with the amount of refractive error (Spearman’s rank correlation coefficient = − 0.32 P = 0.006). The study involved 72 eyes of 67 patients. In addition to our clinical investigation, we conducted optical simulations using Zemax to evaluate the spherical shift of the IOL tilt by means of the through-focus response and change in spherical equivalent power. We investigated the relationship between refractive error and various parameters, such as IOL tilt and decentration, axial length, and keratometry. Second-generation anterior segment optical coherence tomography (CASIA2 TOMEY) was used to obtain the values of tilt and decentration of the intrasclerally fixated IOL and postoperative anterior chamber depth. The minimum follow-up duration was 3 months. We retrospectively reviewed the medical records of patients who underwent flanged intrascleral IOL fixation with transconjunctival 25- or 27-gauge pars plana vitrectomy at the Department of Ophthalmology of the Jikei University Hospital. To investigate the spherical shift of intraocular lens (IOL) tilt after intrascleral fixation.
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