Abstract
Purpose. To estimate the probability of a change in the calculated IOL after microinvasive vitrectomy 25G in patients with operated macular rupture. Methods. A retrospective analysis of patients operated on for a macular rupture with a diameter from 400 microns to 1000 microns was performed. The exclusion criteria were: the axial length of the eye is less than 22.0 mm and more than 26.0 mm, recurrence of previously operated macular ruptures, the presence of concomitant ocular pathology that can affect the final postoperative result (macular degeneration, glaucoma, diabetic and postocclusive retinopathy), the presence of previously performed surgical interventions on the retina. The study involved 64 eyes, of which 34,37 % (22 eyes) with a native lens; 14,06 % (9 eyes) with artifacia before vitrectomy; 6,25 % (4 eyes) vitrectomy with cataract phacoemulsification and IOL implantation and 45,31 % (29 eyes) cataract phacoemulsification with IOL implantation was performed within 4–9 months after primary vitrectomy. These patients were the study group. The comparison parameters are best corrected visual acuity, K1, K2, Ave. K1, Ave. K2, Axis, Ave. K2-K1, axial length of the eye, Ave. axial length of the eye, as well as calculated models of IOL and implantable after vitreoretinal surgery. Results. The change in the optical strength of the IOL occurred in 44,82 %. The change in the IOL model is 37,93 %. The change in the optical strength and model of the IOL is 20,68 %. The change in the optical strength of the previous IOL model is 24,1%. The change in the strong axis of more than 20 ° with the previous IOL parameters is 13,79 %. Only in 27,58 % there were no changes in the calculation of IOL. Conclusion. An individual approach to the calculation and selection of intraocular lenses in patients with vitreoretinal pathology allows implantation of all types of IOLs with maximum patient satisfaction with the functional result. Keywords: biometric indicators, IOL, vitrectomy, cataract, phacoemulsification, keratometry
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