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Refractive cataract surgery

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https://www.readbyqxmd.com/read/30089181/comparing-total-keratometry-measurement-on-the-iolmaster-700-with-goggin-nomogram-adjusted-anterior-keratometry
#1
Benjamin R LaHood, Michael Goggin, Simone Beheregaray, Nicholas H Andrew, Adrian Esterman
PURPOSE: To compare "total keratometry" measurements with Goggin nomogram adjusted anterior keratometry (GNAK) for toric intraocular lens calculation. METHODS: Routine biometry provided measured total keratometry values from which astigmatism was derived. The Goggin nomogram was applied to anterior keratometry values on the same eyes to provide nomogram-adjusted anterior keratometry values (GNAK) that estimate total corneal astigmatism. The agreement between total keratometry and GNAK was analyzed...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30089179/a-comparative-evaluation-of-a-new-generation-of-diffractive-trifocal-and-extended-depth-of-focus-intraocular-lenses
#2
Beatrice Cochener, Guillaume Boutillier, Mathieu Lamard, Claire Auberger-Zagnoli
PURPOSE: To evaluate and compare the performance of two diffractive trifocal and one extended depth of focus (EDOF) intraocular lenses (IOLs). METHODS: In this 6-month, single-center, prospective, randomized, comparative study, patients undergoing routine cataract surgery were randomized to receive one of two trifocal IOLs (AcrySof IQ PanOptix; Alcon Laboratories, Inc., Fort Worth, TX, or FineVision Micro F; PhysIOL SA, Liège, Belgium) or an EDOF IOL (TECNIS Symfony; Abbott Medical Optics, Inc...
August 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/30078536/predicting-pseudophakic-refractive-error-interplay-of-biometry-prediction-error-anterior-chamber-depth-and-changes-in-corneal-curvature
#3
Henry B Wallace, Stuti L Misra, Sunny S Li, James McKelvie
PURPOSE: To quantify pseudophakic refractive error prediction with the Hill-RBF, Barrett Universal II, and SRK/T formulas and to evaluate the temporal effects of anterior chamber depth (ACD) and keratometric changes on postoperative refraction. SETTING: Department of Ophthalmology, University of Auckland and Auckland District Health Board, Auckland, New Zealand. DESIGN: Prospective case series. METHODS: Patients listed for cataract surgery were prospectively recruited...
August 2, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30077354/cataract-surgery-with-a-small-aperture-intraocular-lens-after-previous-corneal-refractive-surgery-visual-outcomes-and-spectacle-independence
#4
Smita Agarwal, Erin M Thornell
Patients who have had previous refractive procedures often require cataract surgery at an early age; however, postoperative results are compromised by corneal aberrations and difficulties achieving a desired refractive endpoint. We describe the use of the IC-8 small-aperture intraocular lens (IOL) in 3 patients who had previous laser in situ keratomileusis (LASIK). Standard cataract surgery was performed in all cases. The small-aperture IOL was implanted in the patient's nondominant eye, and a clear aspheric monofocal IOL was implanted in the dominant eye...
August 1, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30062560/effect-of-smartphone-application-assisted-medical-service-on-follow-up-adherence-improvement-in-pediatric-cataract-patients
#5
Pingjun Chang, Lei Lin, Hongfang Zhang, Yinying Zhao, Jialu Xie, Yuhong Yu, Yun-E Zhao
PURPOSE: To evaluate the potential of the smartphone application assisted medical service to increase patient compliance in attendance of follow-up after pediatric cataract treatment. METHODS: This prospective study enrolled a total of 163 pediatric cataract patients with uneventful surgery. According to their follow-up intervention method, patients were divided into the smartphone application assisted medical service group (WeChat group, 75 patients) or control group (88 patients)...
July 30, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/30057802/customized-toric-intraocular-lens-implantation-in-eyes-with-cataract-and-corneal-astigmatism-after-deep-anterior-lamellar-keratoplasty-a-prospective-study
#6
Domenico Schiano Lomoriello, Giacomo Savini, Kristian Naeser, Rossella Maria Colabelli-Gisoldi, Valeria Bono, Augusto Pocobelli
Purpose: To investigate the effectiveness of toric intraocular lenses (IOLs) for treating corneal astigmatism in patients with cataract and previous deep anterior lamellar keratoplasty (DALK). Setting: San Giovanni-Addolorata Hospital, Rome, Italy. Design: Prospective interventional case series. Methods: Patients undergoing cataract surgery after DALK for keratoconus were enrolled. Total corneal astigmatism (TCA) was assessed by a rotating Scheimpflug camera combined with Placido-disk corneal topography (Sirius; CSO, Firenze, Italy)...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30054327/indapamide-induced-bilateral-choroidal-effusion-in-pseudophakic-patient
#7
Maria Phylactou, Francesco Matarazzo, Emma Jones
We describe a case of indapamide-induced bilateral choroidal effusion, first time reported in pseudophakic patient, associated with no change in visual acuity and stable refraction.A 70-year-old man was referred for ophthalmic assessment, with binasal visual field defect for 2 days. He had been started on treatment with indapamide 3 weeks earlier. His ophthalmic history included bilateral cataract surgery and intraocular lens implant. Fundal examination revealed bilateral choroidal effusions; B-scan ultrasonography was used to measure the extent of the choroidal detachment and the anterior chamber depth...
July 26, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/30050279/rotational-stability-and-visual-performance-3-months-after-bilateral-implantation-of-a-new-toric-extended-range-of-vision-intraocular-lens
#8
Kjell Gunnar Gundersen
Purpose: To evaluate the clinical outcomes after implantation of Symfony® toric extended range of vision (ERV) intraocular lenses (IOLs) in subjects with preoperative corneal astigmatism. Setting: Ifocus Øyeklinikk, Haugesund, Norway. Design: Prospective non-comparative study. Patients and methods: The study population consisted of 30 patients, with preoperative corneal astigmatism between 0.88 and 3.29 D, undergoing bilateral cataract removal or refractive lens exchange with implantation of Tecnis Symfony toric ERV IOLs...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30049566/intraocular-lens-power-calculation-using-a-placido-disk-scheimpflug-tomographer-in-eyes-that-had-previous-myopic-corneal-excimer-laser-surgery
#9
Giacomo Savini, Kenneth J Hoffer, Domenico Schiano-Lomoriello, Piero Barboni
PURPOSE: To assess the accuracy of different methods to calculate the intraocular lens (IOL) power from measurements obtained with an optical biometer combined with a Placido disk-Scheimpflug tomographer (Galilei G6) in eyes that had previous myopic excimer laser surgery. SETTING: G.B. Bietti Foundation, Rome, Italy. DESIGN: Prospective case series. METHODS: When prerefractive surgery data were available, the following methods were evaluated: the Barrett True-K, total corneal power 1 (TCP 1) with double-K SRK/T, TCP with double-K Holladay 1, as well as the Masket and Savini methods...
July 23, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30046464/clinical-results-of-diffractive-refractive-hybrid-multifocal-and-monofocal-intraocular-lenses
#10
Agnieszka Dyrda, Ana Martínez-Palmer, Daniel Martín-Moral, Amanda Rey, Antonio Morilla, Miguel Castilla-Martí, Janny Aronés-Santivañez
Purpose: To present the outcomes of hybrid multifocal and monofocal intraocular lenses (IOLs) and to compare with refractive and diffractive multifocal IOLs (MFIOLs). Methods: Three hundred twenty eyes (160 patients) underwent cataract surgery with randomized IOLs bilateral implantation. Changes in uncorrected and distance-corrected logMAR distance, intermediate and near (UNVA and DCNVA) visual acuity (VA), contrast sensitivity (CS), presence of dysphotopsia, spectacle independence, and patient satisfaction were analyzed...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30039710/posterior-keratoconus-clinical-aspects-and-anterior-segment-optical-coherence-tomography-findings-a-case-report
#11
Veronica Vargas, Jorge Alió
PURPOSE: To describe a case of Posterior Keratoconus (keratoconus posticus); its clinical condition, corneal, refractive response to intracorneal ring implantation (MyoRing), anterior segment optical coherence tomography findings; and micro incisional cataract surgery outcome. METHODS: Case report. RESULTS: The case was studied with high resolution anterior segment optical coherence tomography (OCT), epithelium OCT, corneal topography, and aberrometry...
July 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30039270/corneal-hysteresis-in-post-radial-keratotomy-primary-open-angle-glaucoma
#12
Joshua S Hardin, Christopher I Lee, Lydia F Lane, Christian C Hester, R Grant Morshedi
PURPOSE: Corneal hysteresis (CH) is a corneal biomechanical property measured by the ocular response analyzer (ORA). It is associated with primary open-angle glaucoma development, progression, and severity as well as intraocular pressure (IOP) measurement. Decreases in CH and changes in IOP measurements have been described for laser-assisted refractive surgery; however, patients with prior radial keratotomy (RK) have not been examined. We have performed a cohort study examining CH and intraocular pressure measurements (Goldmann applanation and ORA values including Goldmann-correlated and cornea-compensated IOP [adjusted for corneal hysteresis]) in RK patients and myopic controls with POAG...
July 23, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/30038148/long-term-outcomes-following-primary-intraocular-lens-implantation-in-infants-younger-than-6-months
#13
Mithila Negalur, Virender Sachdeva, Srividya Neriyanuri, Mohammed Hasnat Ali, Ramesh Kekunnaya
Purpose: To study the long-term safety profile and visual outcomes of primary intraocular lens (IOL) implantation in infants <6 months of age. Methods: This was a retrospective observational study conducted at a tertiary eye care center in South India. Infants under 6 months meeting the selection criteria who underwent cataract surgery (lens aspiration, primary posterior capsulorhexis, and anterior vitrectomy) with primary IOL implantation between January 2008 and December 2011 and minimum 3-year follow-up were included...
August 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/30033113/medical-and-surgical-management-of-the-small-pupil-during-cataract-surgery
#14
REVIEW
Saba Al-Hashimi, Kendall Donaldson, Richard Davidson, Deepinder Dhaliwal, Mitchell Jackson, Jeremy Z Kieval, Larry Patterson, Karl Stonecipher, David R Hamilton
As cataract surgery continues to evolve, the intraoperative small pupil continues to pose challenges to even the most experienced cataract surgeon. Several steps can be taken preoperatively to decrease the chance of intraoperative miosis. Even so, the problem of miosis during cataract surgery remains a relatively common occurrence. This paper discusses many steps, both preoperative and intraoperative, that can make surgery technically easier and safer, thus maximizing the postoperative outcomes and patient satisfaction...
July 19, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30033111/refractive-outcomes-after-limbal-relaxing-incisions-or-femtosecond-laser-arcuate-keratotomy-to-manage-corneal-astigmatism-at-the-time-of-cataract-surgery
#15
Harry W Roberts, Vijay K Wagh, Daniel L Sullivan, Timothy J Archer, David P S O'Brart
PURPOSE: To compare the results of manual limbal relaxing incisions (LRIs) performed during conventional phacoemulsification surgery with those of nonpenetrating femtosecond laser arcuate keratotomies performed during femtosecond laser-assisted cataract surgery to manage corneal astigmatism. SETTING: Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom. DESIGN: Randomized case-controlled trial. METHODS: This was a secondary outcome of a randomized controlled trial comparing 400 patients treated with conventional phacoemulsification surgery or femtosecond laser-assisted cataract surgery...
July 19, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/30021633/comparative-evaluation-of-refractive-outcomes-after-implantation-of-two-types-of-intraocular-lenses-with-different-diopter-intervals-0-25-diopter-versus-0-50-diopter
#16
RANDOMIZED CONTROLLED TRIAL
Minjung Kim, Youngsub Eom, Jong Suk Song, Hyo Myung Kim
BACKGROUND: Intraocular lenses (IOLs) with different diopter (D) intervals may have different tolerance, and may provide different accuracy of refractive outcome after cataract surgery. The aim of the study is to compare the accuracy of refractive outcome after implantation of IOLs with different D intervals after cataract surgery. METHODS: A total of 80 eyes from 40 patients who underwent phacoemulsification with implantation of a 0.50 D interval Akreos AO IOL in one eye and a 0...
July 18, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30018818/early-results-with-a-new-posterior-chamber-phakic-intraocular-lens-in-patients-with-high-myopia
#17
Dilek Yaşa, Ufuk Ürdem, Alper Ağca, Yusuf Yildirim, Burçin Kepez Yildiz, Nilay Kandemir Beşek, Ulviye Yiğit, Ahmet Demirok
Purpose: To report clinical results of a foldable, hydrophilic acrylic, single-piece, injectable, posterior chamber phakic intraocular lens (pIOL). Material and Methods: Medical records of patients who underwent posterior chamber phakic IOL (Eyecryl Phakic IOL, Biotech Vision Care, Ahmedabad, India) implantation for surgical correction of myopia were retrospectively reviewed. Only patients with at least a one-year follow-up were included. Manifest refraction, uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), endothelial cell density (ECD), and pIOL vault were analyzed at 1, 3, 6, and 12 months after surgery...
2018: Journal of Ophthalmology
https://www.readbyqxmd.com/read/30013315/long-term-clinical-results-and-scanning-electron-microscopic-analysis-of-the-aspheric-hydrophobic-acrylic-intraocular-lens-ct-lucia-611p-y
#18
Andreas F Borkenstein, Eva-Maria Borkenstein
Purpose: The aim of this study was to evaluate the clinical outcomes of a novel designed hydrophobic, acrylic, monofocal, fully preloaded intraocular lens (IOL; CT LUCIA 611P) 1 year after implantation. Scanning electron microscopic analysis regarding the optic-haptic junction and sharp edges of the IOL was performed. Patients and methods: This is a noninterventional, observational prospective study of cataract patients who underwent implantation of the CT LUCIA 611P...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/30008971/evaluation-of-preloaded-iol-delivery-system-and-hydrophobic-acrylic-intraocular-lens-in-cataract-surgery
#19
Banu Acar, Isil M Torun, Suphi Acar
Background: Advancements in cataract surgery have necessitated the availability of intraocular lens preloaded delivery systems that can safely, effectively and predictably deliver IOLs in the eye. Preloaded delivery systems simplify and reduce procedural variability during surgery preparation. Objective: The objective of this study was to evaluate clinical acceptability, delivery characteristics and clinical outcomes in patients implanted with new generation hydrophobic acrylic Intraocular Lens with Preloaded delivery system...
2018: Open Ophthalmology Journal
https://www.readbyqxmd.com/read/30005031/early-phacoemulsification-after-acute-angle-closure-in-patients-with-coexisting-cataract
#20
Hellen C S Römkens, Henny J M Beckers, Jan S A G Schouten, Rudy M M A Nuijts, Tos T J M Berendschot, Christophe M Breusegem, Carroll A B Webers
PURPOSE: The purpose of this study is to evaluate the effect of early phacoemulsification on the management of acute angle closure glaucoma in patients with coexisting cataract after initial treatment with medical therapy and laser peripheral iridotomy. PATIENTS AND METHODS: This study involved a retrospective analysis of patients presenting to the Maastricht University Medical Center+ with acute angle closure and coexisting cataract between 2005 and 2015. Patients were included after initial treatment with a standard protocol comprising topical and systemic medical therapy and laser peripheral iridotomy...
August 2018: Journal of Glaucoma
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