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cataract and refractive surgery

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https://www.readbyqxmd.com/read/29778494/povidone-iodine-concentration-and-dosing-in-cataract-surgery
#1
REVIEW
Jagger C Koerner, Mary J George, Dale R Meyer, Michael G Rosco, Matthew M Habib
Iodine has been recognized as an effective bactericide since the 1800's, and povidone-iodine (PI) solution has been applied to the ocular surface and periocular skin since the 1980's to prevent endophthalmitis in cataract surgery. In vitro, PI solution kills bacteria very quickly at dilute concentrations (0.05-1.0%). In many instances, PI kills bacteria more quickly at these dilute concentrations than more conventional (5%-10%) concentrations. This is due to greater availability of diatomic free iodine in dilute solution, the bactericidal component of PI...
May 17, 2018: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29747363/-value-the-correction-of-corneal-astigmatism-in-cataract-surgery
#2
J Wang, Y X Cao
The aim of modern micro-incision phacoemulsification combined with foldable intraocular lens implantation and femtosecond laser-assisted cataract surgery is evolving from a simple pursuit of recuperation to a refractive procedure, which involves the correction of ametropia according to preoperative and postoperative refractive conditions, especially corneal astigmatism, in order to achieve the goal of optimized postoperative uncorrected full range of vision. Nowadays, due attention to the effect of preoperative corneal astigmatism, surgery-induced astigmatism and residual astigmatism after operation is lacked, which affect postoperative visual acuity significantly...
May 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29738591/comparing-femtosecond-laser-assisted-cataract-surgery-before-and-after-phakic-intraocular-lens-removal
#3
Tim Schultz, Luca Schwarzenbacher, H Burkhard Dick
PURPOSE: To investigate two approaches for femtosecond laser-assisted cataract surgery (FLACS) in patients with phakic intraocular lenses (IOLs). METHODS: Anterior capsulotomy and lens fragmentation were performed with an image-guided femtosecond laser. Laser treatment was performed under sterile conditions prior to (technique 1, 5 cases) or after (technique 2, 5 cases) phakic IOL explantation. RESULTS: In technique 1, gas accumulated between the phakic IOL and the anterior capsule...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29738590/refractive-outcomes-after-femtosecond-laser-assisted-cataract-surgery-in-eyes-with-anterior-chamber-phakic-intraocular-lenses
#4
Gernot Steinwender, Mehdi Shajari, Thomas Kohnen
PURPOSE: To report the efficacy, predictability, and safety of femtosecond laser-assisted cataract surgery (FLACS) in eyes with anterior chamber phakic intraocular lenses (IOLs). METHODS: This retrospective case series included eyes with previous implantation of an angle-supported and an iris-fixated phakic IOL for the correction of myopia that underwent a combined procedure of phakic IOL ex-plantation and FLACS with in-the-bag implantation of a posterior chamber IOL...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29738588/comparison-of-surgically-induced-astigmatism-and-morphologic-features-resulting-from-femtosecond-laser-and-manual-clear-corneal-incisions-for-cataract-surgery
#5
Tiago B Ferreira, Filomena J Ribeiro, João Pinheiro, Paulo Ribeiro, João G O'Neill
PURPOSE: To compare the surgically induced astigmatism (SIA) vector, flattening effect, torque, and wound architecture following femtosecond laser and manual clear corneal incisions (CCIs). METHODS: In a double-armed, randomized, prospective case series, cataract surgery was performed for 600 eyes using femtosecond laser (300 eyes) or manual (300 eyes) 2.4-mm CCIs in temporal or superior oblique locations. SIA, flattening effect, torque, and the summated vector mean for SIA were calculated...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29736407/investigating-the-impact-of-preoperative-corneal-astigmatism-orientation-on-the-postoperative-spherical-equivalent-refraction-following-intraocular-lens-implantation
#6
Richard N McNeely, Salissou Moutari, Eric Pazo, Jonathan E Moore
Background: To investigate the impact of the orientation of preoperative corneal astigmatism on achieving the postoperative target refraction following monofocal intraocular lens (IOL) implantation. Methods: This study enrolled 339 eyes who had uneventful cataract surgery or refractive lens exchange (RLE) with subsequent monofocal IOL implantation. Eyes were initially categorized dependent upon axial length and then on the orientation of preoperative anterior corneal astigmatism...
2018: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/29731603/comparative-evaluation-of-toric-intraocular-lens-alignment-and-visual-quality-with-image-guided-surgery-and-conventional-three-step-manual-marking
#7
Jeewan S Titiyal, Manpreet Kaur, Cijin P Jose, Ruchita Falera, Ashutosh Kinkar, Lalit Ms Bageshwar
Purpose: To compare toric intraocular lens (IOL) alignment assisted by image-guided surgery or manual marking methods and its impact on visual quality. Patients and methods: This prospective comparative study enrolled 80 eyes with cataract and astigmatism ≥1.5 D to undergo phacoemulsification with toric IOL alignment by manual marking method using bubble marker (group I, n=40) or Callisto eye and Z align (group II, n=40). Postoperatively, accuracy of alignment and visual quality was assessed with a ray tracing aberrometer...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29719636/effect-of-cycloplegia-on-corneal-biometrics-and-refractive-state
#8
Abbas Bagheri, Mohadeseh Feizi, Aliakbar Shafii, Amir Faramarzi, Mehdi Tavakoli, Shahin Yazdani
Purpose: To determine changes in refractive state and corneal parameters after cycloplegia with cyclopentolate hydrochloride 1% using a dual Scheimpflug imaging system. Methods: In this prospective cross-sectional study patients aged 10 to 40 years who were referred for optometric evaluation enrolled and underwent autorefraction and corneal imaging with the Galilei dual Scheimpflug system before and 30 minutes after twice instillation of medication. Changes in refraction and astigmatism were investigated...
April 2018: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/29718719/risk-factors-for-high-myopia-in-koreans-the-korea-national-health-and-nutrition-examination-survey
#9
Ho Sik Hwang, Min Young Chun, Jin Sun Kim, Bumjo Oh, Sang Ho Yoo, Bum-Joo Cho
PURPOSE: To investigate risk factors for high myopia in the general Korean population. METHODS: In this nationwide population study, the dataset of the Korea National Health and Nutrition Examination Survey 2008-2012 was analyzed. The study cohort included 11,703 participants, aged 25-49 years, who underwent neither refractive nor cataract surgery. The association between demographic, socioeconomic, behavioral, and systemic variables and high myopia were investigated...
May 2, 2018: Current Eye Research
https://www.readbyqxmd.com/read/29713653/comparison-of-clinical-outcomes-between-femtosecond-laser-assisted-versus-conventional-phacoemulsification
#10
Robert Edward Ty Ang, Michelle Marie Salcedo Quinto, Emerson Marquez Cruz, Mark Christian Reyes Rivera, Gladness Henna Austria Martinez
Background: To compare femtosecond laser-assisted versus conventional phacoemulsification in terms of visual and refractive outcomes, cumulative dissipated energy, anterior chamber inflammation and endothelial cell loss. Methods: In this retrospective cohort study, records of eyes that underwent femtosecond laser-assisted cataract surgery (FLACS) or conventional phacoemulsification (CP) were reviewed. The Victus femtosecond laser (Bausch and Lomb, Germany) was used to carry out corneal incisions, anterior capsulotomy, and lens fragmentation in FLACS procedures...
2018: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/29705009/cataract-surgery-after-deep-anterior-lamellar-keratoplasty-and-penetrating-keratoplasty-in-age-and-disease-matched-eyes
#11
Seika Den, Shigeto Shimmura, Jun Shimazaki
PURPOSE: To assess the efficacy and safety of cataract surgery after deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PKP). SETTING: Tokyo Dental College Ichikawa General Hospital, Chiba, Japan. DESIGN: Retrospective case series. METHODS: Age-matched and disease-matched eyes that had phacoemulsification and intraocular lens insertion after DALK or PKP were studied. Graft clarity was assessed at the final follow-up...
April 25, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685779/risk-factors-for-refractive-error-after-cataract-surgery-analysis-of-282-811-cataract-extractions-reported-to-the-european-registry-of-quality-outcomes-for-cataract-and-refractive-surgery
#12
Mats Lundström, Mor Dickman, Ype Henry, Sonia Manning, Paul Rosen, Marie-José Tassignon, David Young, Ulf Stenevi
PURPOSE: To analyze risk factors for refractive error after cataract surgery and provide a benchmark for refractive outcomes after standard cataract surgery. SETTING: One hundred cataract surgery clinics from 12 European countries. DESIGN: Multicenter database study. METHODS: Data on consecutive cataract extractions reported to the European Registry of Quality Outcomes for Cataract and Refractive Surgery between January 1, 2014 and December 31, 2015 were analyzed in terms of demographics, preoperative corrected distance visual acuity (CDVA), target refraction, coexisting eye diseases, surgical difficulties including previous ophthalmic interventions, type of surgery, intraocular lens (IOL), and surgical complications...
April 20, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685778/multifocal-intraocular-lens-implantation-after-previous-hyperopic-corneal-refractive-laser-surgery
#13
Violette Vrijman, Jan Willem van der Linden, Ivanka J E van der Meulen, Maarten P Mourits, Ruth Lapid-Gortzak
PURPOSE: To describe the outcomes in terms of the refraction and visual acuity of multifocal intraocular lens (IOL) implantation in patients with previous hyperopic corneal refractive laser surgery. SETTING: Academic Medical Center, University of Amsterdam, Amsterdam, and Retina Total Eye Care, Driebergen, the Netherlands. DESIGN: Retrospective case series. METHODS: Results were analyzed 3 months after implantation of a multifocal IOL (Acrysof Restor SN6AD1) in patients after previous corneal refractive laser surgery for hyperopia...
April 20, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685742/-is-holladay-2-formula-acurate-enough-for-calculating-intraocular-lens-power-in-non-standard-eyes
#14
C Cordelette, C Arndt, J Vidal, M Afriat, E Durbant, C Brugniart, A Ducasse, F Favre, A Denoyer
PURPOSE: To evaluate the benefit of the Holladay 2 formula versus the 3rd generation formulae in calculating the IOL power in eyes with non-standard axial length or keratometry before cataract surgery. PATIENTS: Retrospectiv study from January to December 2015. The inclusion critaeria were axial length (AL) <22mm or >26mm, or average keratometry <42 D or >46 D, dividing the patients in 4 groups respectively. The 7 parameters required to calculate the Holladay 2 formula were collected...
April 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29685740/-refractive-outcomes-and-precision-in-toric-intraocular-lens-alignment-using-an-automated-alignment-system
#15
T Cornut, D Touboul, S Rouglan, L Tellouck, J Tellouck, J-F Korobelnik, C Schweitzer
PURPOSE: To compare precision in toric intraocular lens (TIOL) alignment and refractive outcomes between an intraoperative automated digital marker system and the conventional manual-ink marking. MATERIALS AND METHODS: Prospective single center study including consecutive patients undergoing uneventful cataract surgery with corneal astigmatism greater than 1 diopter. Total corneal astigmatism was measured using a placido-dual Scheimpflug system (GalileiG4® , Ziemer)...
April 20, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29685737/low-power-versus-medium-power-toric-intraocular-lenses-in-cataract-surgery-about-110-eyes
#16
A Mairot, H El Chehab, E Agard, A Rezkallah, V Bouteleux, C Dot
PURPOSE: To analyze the refractive predictability of low-power and medium-power toric intraocular lenses (IOL) during cataract surgery. METHODS: A retrospective case series. Patients with low and moderate degrees of astigmatism were treated with either an Alcon AcrySof IQ toric monofocal lens (SN6AT2 or SN6AT3) or a Zeiss toric monofocal lens (709 MP + 1 D or 709 MP + 1.5 D). They were divided into two groups: group 1 with low-power toric IOL (n = 40, SN6AT2 and 709 MP + 1), group 2 with medium-power toric IOL (n = 70, SN6AT3 and 709 MP + 1...
April 20, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29684328/visual-outcomes-after-implantation-of-a-segmental-refractive-multifocal-intraocular-lens-following-cataract-surgery
#17
Thomas Kohnen, Eva Hemkeppler, Michael Herzog, Sabrina Schönbrunn, Nina DeLorenzo, Kerstin Petermann, Myriam Böhm
PURPOSE: To evaluate visual outcomes with particular attention to intermediate visual acuity (VA), of a segmental refractive multifocal intraocular lens (IOL) with optimized depth of focus (DoF) DESIGN: Prospective, noncomparative case series. METHODS: Setting: Department of Ophthalmology, Goethe University, Frankfurt/Germany. PATIENT OR STUDY POPULATION: Fifty eyes (25 patients) were included. INCLUSION CRITERIA: bilateral cataract, age >45 years, corneal astigmatism ≤0...
April 20, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29675390/childhood-glaucoma-profile-in-dakahelia-egypt-a-retrospective-study
#18
Tharwat H Mokbel, Eman M El Hefney, Sherein M Hagras, Ahmed A ALNagdy, Amani E Badawi, Manal A Kasem, Shereen M El Shaer
AIM: To analyze childhood glaucoma regarding its demographics, presentations, different causes and surgical modalities used among patients in Dakahelia and to apply the Childhood Glaucoma Research Network (CGRN) classification retrospectively to evaluate its convenience. METHODS: A retrospective study in which the medical files of all glaucoma patients <16 years old presented to Mansoura Ophthalmic Center, Mansoura University from 2014 to 2017, were retrieved and analyzed...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29675379/photorefractive-keratectomy-after-cataract-surgery-in-uncommon-cases-long-term-results
#19
Anna Maria Roszkowska, Mario Urso, Giuseppe Alberto Signorino, Leopoldo Spadea, Pasquale Aragona
AIM: To evaluate the efficacy and safety of the excimer laser correction of the residual refractive errors after cataract extraction with intraocular lens (IOL) implantation in uncommon cases. METHODS: Totally 24 patients with high residual refractive error after cataract surgery with IOL implantation were examined. Twenty-two patients had a history of phacoemulsification and IOL implantation, and two had extra-capsular cataract extraction with IOL implantation...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29625491/wide-corneal-epithelial-mapping-using-an-optical-coherence-tomography
#20
Nauman Hashmani, Sharif Hashmani, Choudhry M Saad
Purpose: To map the corneal epithelium using a map measuring 9 mm in diameter and view the effects of age, sex, and axial length. Additionally, we wanted to demonstrate the reproducibility of this technique. Methods: We calculated the epithelial thickness in 220 individuals using an SD-OCT machine with the newly released commercially available algorithm. We included normal eyes with refractive errors between +5 and -6 diopters (D). We excluded patients with an intraocular pressure of >22 mm Hg, history of cataract, previous ocular surgery, or disease and those with corneal pathology...
March 1, 2018: Investigative Ophthalmology & Visual Science
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