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Intraocular lens

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https://www.readbyqxmd.com/read/29688848/combined-23-gauge-transconjunctival-vitrectomy-and-scleral-fixation-of-intraocular-lens-without-conjunctival-dissection-in-managing-lens-complications
#1
Ling Yeung, Nan-Kai Wang, Wei-Chi Wu, Kuan-Jen Chen
BACKGROUND: To evaluate the safety and efficacy of combined 23-gauge transconjunctival pars plana vitrectomy and scleral fixation of intraocular lens (IOL) without conjunctival dissection. METHODS: A retrospective study in Chang Gung Memorial Hospital, Keelung and Taoyuan, Taiwan. Patients receiving combined 23-gauge transconjunctival pars plana vitrectomy and scleral fixation of IOL without conjunctival dissection were enrolled. The ocular findings, causes of lens complication, surgical procedures, type of IOL used, and complications were documented...
April 23, 2018: BMC Ophthalmology
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
#2
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
#3
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/29685775/long-term-capsule-clarity-with-a-disk-shaped-intraocular-lens
#4
Joah Aliancy, Liliana Werner, Jason Ludlow, Jason Nguyen, Bryan Masino, Larry Ha, Nick Mamalis
PURPOSE: To evaluate long-term capsular clarity with a modified disk-shaped 1-piece hydrophilic acrylic monofocal intraocular lens (IOL) (Zephyr) suspended between 2 complete haptic rings connected by a pillar of the haptic material. SETTING: John A. Moran Eye Center, University of Utah, Salt Lake City, Utah, USA. DESIGN: Experimental study. METHODS: Study and control (1-piece hydrophobic acrylic) IOLs were implanted into the right and left eyes, respectively, of 8 New Zealand rabbits...
April 20, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685773/dynamic-tracking-of-purkinje-images-for-the-comparison-of-pseudophakodonesis-between-in-the-bag-and-secondary-fixated-intraocular-lenses
#5
Dhivya Ashok Kumar, Amar Agarwal, Nivean Madhivanan, Soundari Sivagnanam, Radika Chandrasekar, Srinivasan Venugopal
PURPOSE: To compare the pseudophakodonesis of in-the-bag intraocular lens (IOL) and a secondary fixated IOL by tracking the Purkinje image IV. SETTING: Dr. Agarwal's Eye Hospital and Eye Research Centre, Chennai, India. DESIGN: Prospective case series. METHODS: The IOL movement was recorded via slitlamp videography (DC3), streamed in video editor (Pinnacle), and evaluated by ImageJ analysis. The positional difference of Purkinje IV in relation to the stationary image Purkinje I at 3 random timeframes was measured...
April 20, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29685771/iris-characteristics-affecting-far-peripheral-vision-and-negative-dysphotopsia
#6
Michael J Simpson, Maria Muzyka-Woźniak
PURPOSE: To evaluate how the iris obstructs rays at large visual angles. SETTING: Simpson Optics, Arlington, Texas, USA, and Spektrum Eye Clinic, Wroclaw, Poland. DESIGN: Retrospective case study. METHODS: Anterior segment optical coherence tomography (AS-OCT) (Visante) images were exported for normal, short, and long eyes and eyes with negative dysphotopsia. Iris characteristics were manually identified, including the maximum iris thickness and its distance from the pupil, and the gap between the iris and intraocular lens (IOL)...
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
#7
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 20, 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
#8
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
#9
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/29685130/cataract-surgery-in-patients-with-corneal-opacities
#10
Yi-Ju Ho, Chi-Chin Sun, Hung-Chi Chen
BACKGROUND: Investigating the efficacy and safety of phacoemulsification with intraocular lens (IOL) implantation in corneal opacities. METHODS: This retrospective study was conducted in a tertiary medical center. Twenty-three eyes of 19 patients with cataracts and corneal opacities obscuring the pupillary center having received phacoemulsification with IOL insertion without any ancillary techniques were enrolled. The primary study outcome measures were uncorrected and best corrected visual acuity (BCVA), and complications...
April 23, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29684328/visual-outcomes-after-implantation-of-a-segmental-refractive-multifocal-intraocular-lens-following-cataract-surgery
#11
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/29681843/wheel-spokes-technique-for-endothelial-keratoplasty-for-extremely-mydriatic-bullous-keratopathy-eyes-without-capsular-support
#12
Hidenori Tanaka, Koji Hirano, Masayuki Horiguchi
We describe a new technique to prevent an endothelial donor graft from dropping into the vitreous cavity during non-Descemet stripping automated endothelial keratoplasty (nDSAEK) for extremely mydriatic bullous keratopathy (BK) eyes without capsular support. The patient was a 79-year-old woman who underwent nDSAEK for an extremely mydriatic BK eye with an incomplete barrier between the anterior and posterior chambers. She had undergone argon laser iridotomy for acute glaucoma at the age of 59 years and cataract surgery 3 years later...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29681836/secondary-angle-closure-due-to-crystalline-lens-dislocation-in-a-patient-with-atopic-dermatitis-and-chronic-eye-rubbing
#13
Justin Kuiper, Mark Slabaugh
Purpose: To report an unusual case of ectopia lentis and angle closure in a patient with chronic eye rubbing. Methods: A 57-year-old male with a history of poorly controlled atopic dermatitis presented with right eye pain, decreased vision, and an intraocular pressure (IOP) of 55 mm Hg. He had no past history of ocular disease and no reported history of trauma. He did report a history of chronic eye rubbing. Results: Best corrected visual acuity was hand motions...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29681833/intraocular-lens-dislocation-after-cataract-surgery-in-tambolaka-southwest-sumba-indonesia-a-case-report
#14
Ratna Sitompul
Intraocular lens (IOL) dislocation is a rare complication of cataract extraction requiring prompt surgery. This case report aims to raise awareness of such cases and the importance of post-surgery follow-up. A 58-year-old female patient was found with anterior IOL dislocation a week after phacoemulsification surgery in her right eye. Visual acuity of the right eye was 1/60 with ciliary injection and IOL dislocation to the anterior chamber of the right eye. The patient underwent surgery of the right eye and the IOL haptic was found to be broken...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29677364/long-anterior-lens-zonules-and-intraocular-pressure
#15
Daniel K Roberts, Tricia L Newman, Mary Flynn Roberts, Bruce A Teitelbaum, Janis E Winters
Purpose: To investigate the relation between intraocular pressure (IOP) and the idiopathic long anterior zonule (LAZ) trait. Methods: Patients presenting for primary eye care were examined for LAZ, identified as radially oriented zonular fibers with central extension >1.0 mm beyond the normal anterior lens insertion zone (estimated via slit lamp beam length). Ocular, systemic health, and lifestyle data were collected via comprehensive exam and questionnaire. Multivariate regression was used to assess the relationship between IOP (Goldmann) and LAZ...
April 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29677237/late-complications-of-single-piece-intraocular-lens-implantation-in-the-ciliary-sulcus
#16
Mohsin H Ali, Mark S Dikopf, Ahmad A Aref
No abstract text is available yet for this article.
April 12, 2018: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29676323/extended-focal-length-intraocular-lens-implantation-in-posttraumatic-posterior-capsular-rupture
#17
Preethi Srinivasaraghavan, Dhivya Ashok Kumar, Amar Agarwal, Akshya Parthasarathy
We present a case of posterior capsular defect with traumatic cataract after blunt trauma in which an extended focal length intraocular lens (IOL) was implanted in the bag after conventional phacoemulsification and anterior vitrectomy. Anterior segment optical coherence tomography performed preoperatively aided in the confirmation and documentation of the capsular integrity. Intraoperative trocar anterior chamber (AC) maintainer allowed AC maintenance without further complications. IOL was well centered postoperatively at 6 months, and the unaided visual acuity was 20/20 for distance and N8 for near...
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29676320/unveiling-opacification-of-intraocular-lens-following-a-successful-penetrating-keratoplasty-for-extensively-scarred-cornea-due-to-microbial-keratitis-after-descemet-s-stripping-automated-endothelial-keratoplasty
#18
https://www.readbyqxmd.com/read/29676316/midline-sclerotomy-approach-for-intraocular-foreign-body-removal-in-phakic-eyes-using-endoilluminator-a-novel-technique
#19
Raghav Ravani, Rohan Chawla, Shorya Vardhan Azad, Yogita Gupta, Vinod Kumar, Atul Kumar
Purpose: The objective of this study is to describe the removal of retained intraocular foreign body (RIOFB) by bimanual pars plana vitrectomy through midline sclerotomy in phakic patients. Technique: Four eyes with RIOFB and clear lens underwent microincision vitrectomy surgery. A chandelier illumination was placed through one of the existing ports. The foreign body (FB) was localized by direct visualization (intravitreal) or indentation (pars plana), stabilized using an intraocular magnet/FB forceps introduced through a midline sclerotomy and freed of vitreous from all sides using a vitrectomy cutter through the other port bimanually, reoriented along their long axis and extracted through the midline sclerotomy...
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29675387/comparison-of-optical-quality-after-implantable-collamer-lens-implantation-and-wavefront-guided-laser-in-situ-keratomileusis
#20
Hong-Ting Liu, Zhou Zhou, Wu-Qiang Luo, Wen-Jing He, Owhofasa Agbedia, Jiang-Xia Wang, Jian-Zhong Huang, Xin Gao, Min Kong, Min Li, Li Li
AIM: To compare the optical quality after implantation of implantable collamer lens (ICL) and wavefront-guided laser in situ keratomileusis (WG-LASIK). METHODS: The study included 40 eyes of 22 patients with myopia who accepted ICL implantation and 40 eyes of 20 patients with myopia who received WG-LASIK. Before surgery and three months after surgery, the objective scattering index (OSI), the values of modulation transfer function (MTF) cutoff frequency, Strehl ratio, and the Optical Quality Analysis System (OQAS) values (OVs) were accessed...
2018: International Journal of Ophthalmology
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