Purpose: To investigate the impact of residual astigmatism on visual acuity (VA) after the implantation of a novel extended range of vision (ERV) intraocular lens (IOL) based on the correction of spherical and chromatic aberration. Method: The study enrolled 411 patients bilaterally implanted with the ERV IOL Tecnis Symfony. Visual acuity and subjective refraction were analyzed during the 4to 6...

Author(s): Schallhorn, Julie M | Abstract: PurposeTo review and compare the results of unpublished premarket approval studies for recent multifocal extended depth focus (EDOF) intraocular lenses.MethodsLenses without previously published pre-market trials were identified clinical patient-reported outcomes reviewed compared.ResultsLenses included DFT/DAT (Acrysof Vivity) EDOF lens, TFNT/TFAT (Pa...

SEPTEMBER 2009 I CATARACT & REFRACTIVE SURGERY TODAY EUROPE I 31 O ur visual system integrates the refractive surfaces of the cornea and the crystalline lens; the positive spherical aberration (SA) of the cornea is partially cancelled out by the negative SA of the crystalline lens.1,2 As the eye ages, the cornea remains fairly stable, but the crystalline lens thickens at the periphery, inducing...

Purpose. To evaluate visual performance for near, intermediate, and distant vision; complaints of photic phenomena, and patient satisfaction with the new diffractive multifocal IOL used in eyes which underwent phacoemulsification. Methods. Two thousand and five hundred consecutive eyes undergoing Tecnis ZM900 multifocal IOL implantation were included in this retrospective analysis. The minimum ...

PURPOSE The aim of this study was to evaluate and report the visual, refractive and aberrometric outcomes of cataract surgery with implantation of the new aspheric Tecnis ZCT toric intraocular lens (IOL) in eyes with low to moderate corneal astigmatism. METHODS We conducted a prospective study of 19 consecutive eyes of 17 patients (mean age: 78 years) with a visually significant cataract and ...

purpose: to assess the optical effect of the technis-z9000 iol decentration by lio-brennan mathematic-optical eye model. methods: the phantom with real eye parameters (lio-brennas) was used for iol technis-z9000 modeling with zemax code. modulation transfer function (mtf) and mtf contrast that represent the ratio of the image data to total object data in optical system were used for analysis. r...

PURPOSE To measure in vivo and objectively the monochromatic aberrations at different wavelengths, and the chromatic difference of focus between green and infrared wavelengths in eyes implanted with two models of intraocular lenses (IOL). METHODS EIGHTEEN EYES PARTICIPATED IN THIS STUDY: nine implanted with Tecnis ZB99 1-Piece acrylic IOL and nine implanted with AcrySof SN60WF IOL. A custom-d...

BACKGROUND The aim of this study was to evaluate visual performance, contrast sensitivity, and patient satisfaction in patients undergoing cataract surgery with bilateral implantation of the Tecnis ZMB00 diffractive multifocal IOL (intraocular lens). MATERIAL/METHODS This was a prospective study of 40 eyes of 20 patients with an age range from 48 to 67 years and undergoing cataract surgery wi...