Camellens FIL622-1 IOL Implantation in the Ciliary Sulcus: Refractive Outcomes and Optimization of A-constant

Author:

Fossati Giovanni,Vallejo-Garcia Jose Luis,Raimondi Raffaele,Santoru Francesco,Buzzi Matilde,Ferraro Vanessa,Feo Alessandro,Rosetta Pietro,Vinciguerra Paolo,Vinciguerra Riccardo

Abstract

Purpose: To assess the refractive outcomes of patients who had sulcus implantation of the Camellens FIL622-1 intraocular lens (IOL) (Soleko) after posterior capsular rupture, and to optimize the A-constant suggested by the manufacturer. Methods: This study included patients who underwent secondary Camellens FIL622-1 IOL implantation in the ciliary sulcus after complicated cataract surgery with posterior capsular rupture. IOL power was calculated by the SRK/T formula, using the recommended A-constant (118.8) for ciliary sulcus implantation. A new optimized A-constant was obtained and used to evaluate the refractive outcomes. The main outcome measures were mean prediction error (PE), median absolute error (MedAE), mean absolute error (MAE), and percentage of eyes with a PE within ±0.50, ±1.00, and ±2.00 diopters (D). Results: Forty patients (40 eyes) were included in the study. The new optimized A-constant was 117.5, and the mean PE, MedAE, and MAE was −0.02 ± 0.73, 0.34, and 0.54, respectively. The percentage of eyes with a PE within ±0.50, ±1.00, and ±2.00 D was 65%, 87.5%, and 100%, respectively. Conclusions: The Camellens FIL622-1 IOL represents a valid option as sulcus implantation after posterior capsular rupture and it would guarantee the surgeon an on-label option with a more accurate biometric calculation, at the time of surgical implantation, with the new optimized A-constant. [ J Refract Surg . 2022;38(12):806–811.]

Publisher

SLACK, Inc.

Subject

Ophthalmology,Surgery

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