Validation of Clinical Protocol of Astigmatism Induction in Pseudophakic Patients.

Purpose: Validate a novel approach for assessing residual astigmatism's impact on visual acuity in pseudophakic patients using defocus curves and spherical equivalent compensation.

Materials And Methods: Thirteen patients over 40 with cataracts and normal ophthalmological examinations were enrolled in a prospective, non-randomized cohort study. The defocus curve method was employed, wherein visual acuity was measured with spherical lenses ranging from -2.

A New Methodology for Evaluating the Potential Impact of Residual Refractive Astigmatism in Pseudophakic Patients.

Purpose: To validate a new methodology to evaluate the impact of astigmatism in pseudophakia using an astigmatic defocus curve.

Setting: Hospital Oftalmológico de Brasilia, Brazil.

Design: Non-randomized cohort study.

Comparison of visual outcomes of bilateral dual-technology diffractive intraocular lens vs blended enhanced monofocal with dual-technology intraocular lens.

Purpose: To compare clinical outcomes after implantation of TECNIS Synergy (ZFR00V) intraocular lenses (IOLs) in both eyes and implantation of the TECNIS Synergy and TECNIS Eyhance (ICB00) combination in patients undergoing cataract surgery.

Setting: Department of Cataract, Hospital Oftalmológico de Brasilia (HOB), Brasília, Brazil.

Design: Prospective, interventional, randomized, parallel-group study.

Conventional Phacoemulsification Surgery Versus Femtosecond Laser Phacoemulsification Surgery: A Comparative Analysis of Cumulative Dissipated Energy and Corneal Endothelial Loss in Cataract Patients.

Purpose: To analyze whether femtosecond laser-assisted surgery leads to less cumulative dissipated energy (CDE) and decreased endothelial cell loss compared to conventional surgery.

Patients And Methods: This non-blinded, non-randomized, quasi-experimental clinical trial was conducted at one center and involved one surgeon. Patients with cataracts and 50-80 years old were included, and the exclusion criteria were radial keratotomy, trabeculectomy, drain tube implant, corneal transplant, posterior vitrectomy, and re-implantation of intraocular lens.

Evaluation of Life Quality of Patients Submitted to Cataract Surgery with Implantation of Trifocal Intraocular Lenses.

This study aimed to evaluate the quality of life and the satisfaction level of Brazilian and Chinese patients who underwent cataract surgery for Acysof IQ PanOptix Model TFNT00 (Alcon Laboratories, Fort Worth, TX, USA) implantation. This retrospective study enrolled 51 patients from China and 51 patients from Brazil. At the 3-month follow-up, uncorrected distance visual acuity (UDVA) at 5 m, uncorrected intermediate visual acuity (UIVA) at 60 cm, and uncorrected near visual acuity (UNVA) at 40 cm were evaluated; Catquest 9SF and the Near Activity Visual Questionnaire (NAVQ) were administered to the patients.

Longitudinal evaluation of trifocal and extended depth of focus lenses implantation using standard automated perimetry parameters.

Purpose: To evaluate reliability and global indices parameters from standard automated perimetry (SAP) in normal eyes undergoing phacoemulsification cataract surgery with implantation of trifocal or extended depth of focus intraocular lens (IOL).

Methods: Prospective study to evaluate the effect of trifocal IOL AcrySof IQ PanOptix® and extended depth of focus intraocular lens (EDOF) Tecnis Symfony® IOL implantation on visual field parameters. Patients underwent SAP pre- and postoperatively.

Multicenter visual outcomes comparison of 2 trifocal presbyopia-correcting IOLs: 6-month postoperative results.

Purpose: To clinically evaluate visual performance of the AcrySof IQ PanOptix TFNT00 and AT LISA tri 839MP intraocular lenses (IOLs) in binocular visual acuity (VA) and to characterize low-contrast visual performance at 6 months postimplantation.

Setting: Multicenter, 15 sites.

Design: Prospective, parallel-group, randomized, double-masked, postmarketing clinical study.

Comparing the postoperative refractive predictability of Pentacam HR and IOLMaster 500 after a multifocal intraocular lens implantation.

Purpose: To compare the postoperative refractive predictability of IOLMaster 500 and Pentacam HR on the basis of keratometry and anterior chamber depth values in eyes with an indication for multifocal intraocular lens (IOL) implantation.

Methods: This was a retrospective study conducted on 118 eyes treated with phacoemulsification and multifocal intraocular lens implantation. Only the eyes that achieved emmetropia in the dynamic refraction performed on postoperative day 30 were included.

Clinical outcomes after femtosecond laser-assisted implantation of an intrastromal corneal ring segment with a 340-degree arc length in postkeratoplasty patients: 12-month follow-up.

Purpose: To assess the clinical outcomes after implantation of a new 340-degree arc length intrastromal corneal ring segment (ICRS) aided by the femtosecond laser in postkeratoplasty patients after a 12-month follow-up.

Setting: Private practice, Brasilia, Brazil.

Design: Prospective case series.

Comparison of visual outcomes after bilateral implantation of two intraocular lenses with distinct diffractive optics.

Purpose: The aim of this study was to compare the visual outcomes and subjective visual quality between bilateral implantation of an extended depth of focus intraocular lens, J&J Vision Tecnis Symfony ZXR00 (Group A) and bilateral implantation of a diffractive trifocal intraocular lens, Alcon Acrysof IQ PanOptix TNFT00 (Group B).

Methods: This prospective, nonrandomized, comparative study of consecutive cases assessed 52 eyes of 26 patients operated on by the same surgeon (WTH) and binocularly implanted with multifocal intraocular lenses between May 2016 and July 2018. Binocular visual acuity for far, intermediate and near was tested in all cases.

Intraoperative Aberrometry Versus Preoperative Biometry for IOL Power Selection After Radial Keratotomy: A Prospective Study.

Purpose: To compare the accuracy of Optiwave Refractive Analysis (ORA) intraoperative aberrometry (Alcon Laboratories, Inc., Fort Worth, TX) with preoperative biometry in predicting residual refractive error after cataract surgery in eyes that underwent radial keratotomy.

Methods: This was a prospective consecutive case series of patients with cataract and prior radial keratotomy.

Clinical comparison of speculum's influence on intraoperative aberrometry reading.

Purpose: The aim of this study was to evaluate the influence of four different types of speculums on aberrometry reading (OPD SCAN III [OPD]) and on intraoperative aberrometry reading (optiwave response analyzer, ORA).

Patients And Methods: This prospective, controlled, comparative study of consecutive cases included the evaluation of five eyes of five patients with monofocal intraocular lens (IOL) implantation. Seventeen measures were performed on each patient: for each speculum, there were two measurements on the OPD and another two on ORA with four different types of blepharostats.

Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging.

Purpose: To assess the stability and reliability of femtosecond laser-assisted cataract surgery (FLACS) incisions design and dimensions using anterior segment optical coherence tomography (AS-OCT) imaging.

Setting: Renato Ambrósio Ophthalmologic Study Center from Hospital Oftalmológico de Brasília, Brasília, Brazil.

Design: Prospective nonrandomized controlled case series.

Prospective randomized comparative study between venturi and peristaltic pumps in WhiteStar Signature phacoemulsification machine.

Purpose: To compare intraoperative parameters between venturi and peristaltic pump in WhiteStar Signature phacoemulsification machine using the bevel-down technique.

Setting: Hospital Oftalmológico de Brasília, Brasília, Federal District, Brazil.

Design: Prospective, comparative, patient-masked study.

Intraindividual comparison of nepafenac 0.3% for the prevention of macular edema after phacoemulsification.

Purpose: To compare the antiinflammatory efficacy of topical nepafenac 0.3% for prophylaxis of macular edema after cataract extraction.

Setting: São Paulo University, São Paulo, Brazil.

Comparison of visual outcomes after bilateral implantation of a diffractive trifocal intraocular lens and blended implantation of an extended depth of focus intraocular lens with a diffractive bifocal intraocular lens.

Purpose: The purpose of this study was to compare the visual outcomes and subjective visual quality between bilateral implantation of a diffractive trifocal intraocular lens, Alcon Acrysof IQ PanOptix TNFT00 (group A), and blended implantation of an extended depth of focus lens, J&J Tecnis Symfony ZXR00 with a diffractive bifocal intraocular lens, J&J Vision Tecnis ZMB00 (group B).

Methods: This prospective, nonrandomized, consecutive, comparative study included the assessment of 40 eyes in 20 patients implanted with multifocal intraocular lens. Exclusion criteria were existence of any corneal, retina, or optic nerve disease, previous eye surgery, illiteracy, previous refractive surgery, high axial myopia, expected postoperative corneal astigmatism of >1.

Outcomes study between femtosecond laser-assisted cataract surgery and conventional phacoemulsification surgery using an active fluidics system.

Purpose: The purpose of this study was to compare intraoperative parameters between femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification using Centurion Vision System with Active Fluidics.

Setting: This study was performed at Brasília Ophthalmologic Hospital, Brasília, Federal District, Brazil.

Patients And Methods: This was a prospective randomized comparative study.

Comparison between bilateral implantation of a trifocal intraocular lens and blended implantation of two bifocal intraocular lenses.

Purpose: To compare visual outcomes and performance between bilateral implantation of a diffractive trifocal intraocular lens (IOL) AcrysofPanOptix TFNT00 and blended implantation of two different near add power bifocal IOLs: Acrysof Restor SV25T0 in dominant eye and Acrysof Restor SN6AD1 in the nondominant eye.

Methods: This prospective, nonrandomized, consecutive and comparative study assessed 20 patients (40 eyes) who had bilateral cataract surgery performed using the IOLs described. Patients were divided into groups, bilateral trifocal implant and blended implant.

Comparative study on optical performance and visual outcomes between two diffractive multifocal lenses: AMO Tecnis ® ZMB00 and AcrySof ® IQ ReSTOR ® Multifocal IOL SN6AD1.

Purpose: To compare the optical performance and visual outcomes between two diffractive multifocal lenses: AMO Tecnis® ZMB00 and AcrySof® ReSTOR® SN6AD1.

Methods: This prospective, non-randomized comparative study included the assessment of 74 eyes in 37 patients referred for cataract surgery and candidates for multifocal intraocular lens implants. Exclusion criteria included existence of any other eye disease, previous eye surgery, high axial myopia, preoperative corneal astigmatism of >1.

Traumatic wound dehiscence after corneal keratoplasty.

Purpose: To assess patient characteristics, risk factors, outcomes, and the treatment of wound dehiscence (WD) in patients after corneal keratoplasty.

Methods: Retrospective chart review of 11 eyes of 11 patients with corneal grafts who underwent repair of WD from January 1, 2004 to December 31, 2012 at Hospital Oftalmologico de Brasilia.

Results: Eight (72.

Mini-flared Kelman tip, reverse tip, and sidewinder tip with torsional phaco: a prospective randomized comparative study.

Purpose: To compare the efficiency of surgical procedures using three phaco tip designs in torsional phacoemulsification using the bevel-down technique.

Methods: In this prospective, comparative, masked study, patients were randomly assigned to have torsional coaxial microincision cataract surgery using the mini-flared 45-degree Kelman tip, reversed mini-flared 30-degree Kelman tip, or Sidewinder 30-degree Kelman tip. Clinical measurements included preoperative and 3-month postoperative corrected distance visual acuity (CDVA), endothelial cell counts (ECC), and preoperative and 1-day postoperative central corneal thickness (CCT).

Comparison of ketorolac 0.4% and nepafenac 0.1% for the prevention of cystoid macular oedema after phacoemulsification: prospective placebo-controlled randomised study.

Purpose: To compare the anti-inflammatory efficacy of ketorolac of tromethamine 0.4% and nepafenac 0.1% eye drops for prophylaxis of cystoid macular oedema (CME) after small-incision cataract extraction.

Visual outcomes after implantation of a novel refractive toric multifocal intraocular lens.

Purpose: To assess the postoperative outcomes of a novel toric multifocal in traocular lens (IOL) in patients with cataract and corneal astigmatism.

Methods: This prospective nonrandomized study included patients with cataract, corneal astigmatism, and a motivation for spectacle independence. In all patients, a Rayner M-flex® T toric IOL was implanted in the capsular bag.

Hurricane cortical aspiration technique: one-step continuous circular aspiration maneuver.

Unlabelled: We describe a modification of the original standard radial aspiration technique. The modified technique--hurricane 1-step continuous circular cortical aspiration--has the potential to improve this part of phacoemulsification surgery with benefits in surgical time and possible decreases in fluid, corneal edema, and traction on the zonular fibers through better distribution of tractional forces. The first results were encouraging and without complications.

Inadvertent implantation of a reversed-optic Tecnis ZM900 multifocal intraocular lens: case report.

A 51-year-old woman with age-related cataract had an uneventful phacoemulsification and a Tecnis ZM900 multifocal intraocular lens (IOL) implantation in both eyes. During IOL implantation in the left eye, the optic was unintentionally reversed in the bag and left that way. The refraction surprise was not significant and six months postoperatively the corrected distance visual acuity in both eyes was 20/20 and neither complained of visual discomfort.