Abstract
To evaluate the incidence of laser enhancement following cataract surgery and refractive lens exchange (RLE) with FineVision Micro F trifocal lens implantation (PhysIOL, Liège, Belgium). Retrospective study of patients who had undergone cataract or RLE surgery and had received a FineVision Micro F intraocular lens. Laser enhancement of residual refractive error was determined. Visual acuity (VA) assessments were performed before and after surgery: uncorrected distance VA (UCDVA), best-corrected distance VA (BCDVA), uncorrected near VA (UCNVA), plus preoperative and postoperative spherical equivalent (SE) assessments. Of the 1129 eyes from 596 patients, 61 (5.4%) required laser enhancement to correct residual refractive error (by group: 30/679 eyes [4.4%] cataract; 31/450 eyes [6.9%] RLE). Eleven eyes received FemtoLASIK; 50 eyes received PRK. Mean UCDVA before laser enhancement was 0.26±0.19 logMAR and 0.24±0.14 in the FemtoLASIK and PRK groups, respectively. After laser enhancement, these were 0.04±0.05 logMAR and 0.13±0.19, respectively; BCDVA values were 0.00±0.00 logMAR in the FemtoLASIK group and 0.06±0.11 in the PRK group. Laser enhancement improved UCNVA (Jaeger) from 2-3 to 1-2 in both groups. Enhancement reduced preoperative SE of -0.39±0.99 D and -0.53±0.58 D (FemtoLASIK and PRK groups, respectively) to 0.24±0.36 D and 0.04±0.47 D. The FineVision Micro F trifocal lens is an effective solution for gaining increased spectacle independence. The incidence of residual refractive error requiring laser enhancement is low, and laser procedures are a safe and effective solution for improving the quality of vision and patient satisfaction. Laser enhancement rates and outcomes were determined following cataract / refractive lens exchange surgery that used a trifocal IOL. Enhancement was safe and effective and rates were low (5.4%).
Highlights
Cataract surgery is increasingly becoming a refractive procedure1- the development of “refractive lens exchange” (RLE) to correct visions in lenses that are not cataractous
We aimed to evaluate the incidence of residual refractive error laser corrections, and the results of these procedures in patients who had undergone cataract surgery or RLE and who had received a trifocal intraocular lens (IOL)
We evaluated 1129 eyes of 596 patients, who underwent uncomplicated cataract surgery (679 eyes; 60.1%) and an RLE surgery (450 eyes 39.9%) with trifocal FineVision Micro F lens implantation
Summary
Cataract surgery is increasingly becoming a refractive procedure1- the development of “refractive lens exchange” (RLE) to correct visions in lenses that are not cataractous. This means that increasing emphasis is being placed on refractive outcomes[2]. Cataract surgery requires ocular biometry to be performed so the intraocular lens (IOL) selected for each patient has the correct dioptric power. Almost half of the errors in intraocular lens power calculation using ultrasound biometry are attributed to axial length measurement errors[3], preoperative estimations of postoperative IOL position and determination of postoperative refraction, in a low percentage pupil size variation and variability of IOL power[4]
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