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Intraocular lens

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https://www.readbyqxmd.com/read/28546932/removal-of-intraocular-foreign-body-in-anterior-chamber-angle-with-prism-contact-lens-and-23-gauge-foreign-body-forceps
#1
Yan-Ming Huang, Hua Yan, Jin-Hong Cai, Hai-Bo Li
AIM: To introduce a novel approach in removal of anterior chamber angle foreign body (ACFB) using a prism contact lens and 23-gauge foreign body forceps. METHODS: Data of 42 eyes of 42 patients who had undergone removal of ACFB using a prism contact lens and 23-gauge foreign body forceps from January 2008 to October 2013 were collected and analyzed. Twenty eyes in group A received the conventional approach by using toothed forceps through corneal limbus incision, and 22 eyes in group B underwent the novel method through the opposite corneal limbus incision...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546927/safety-of-hydroimplantation-in-cataract-surgery-in-patients-with-pseudoexfoliation-syndrome
#2
Tevfik Oğurel, Reyhan Oğurel, Zafer Onaran, Kemal Örnek
AIM: To evaluate the safety of hydroimplantation in cataract surgery in patients with pseudoexfoliation syndrome. METHODS: This prospective randomized study comprised 100 eyes of 100 consecutive patients who underwent cataract surgery and implantation of foldable intraocular lens (IOL). Each eye was assigned to group 1 or group 2. Hydroimplantation without using viscoelastic agent as group 1 (n=50), and hydroxypropylmethylcellulose (Eyevisc, Biotech, India) was used in group 2 (n=50)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546691/toxic-anterior-segment-syndrome-outbreak-after-cataract-surgery-triggered-by-viscoelastic-substance
#3
AyşeGül Koçak Altıntaş, Meryem Yaşar Ciritoğlu, Özlem BeyazyıldıZ, Çiğdem Ülkü Can, Sibel Polat
PURPOSE: The purpose of this study is to present toxic anterior segment syndrome (TASS) outbreak at our clinic and discuss possible causes of TASS. MATERIALS AND METHODS: Thirty-four eyes of 34 patients developed TASS in a consecutive 2 weeks period were included in this study. Both anterior segment and fundus examinations were performed before and after uncomplicated cataract surgery. During the follow-up period, clinical features and all possible causes were evaluated including perioperative products and processing such as sterilization technique of surgical instruments, irrigating solutions, drugs, viscoelastic substance (VES), and intraocular lens...
January 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28544770/review-article-screening-genetics-risk-factors-and-treatment-of-neonatal-cataracts
#4
REVIEW
Jinyu Li, Chun-Hong Xia, Eddie Wang, Ke Yao, Xiaohua Gong
Neonatal cataracts remain the most common cause of visual loss in children worldwide and have diverse, often unknown, etiologies. This review summarizes current knowledge about the detection, treatment, genetics, risk factors, and molecular mechanisms of congenital cataracts. We emphasize significant progress and topics requiring further study in both clinical cataract therapy and basic lens research. Advances in genetic screening and surgical technologies have improved the diagnosis, management, and visual outcomes of affected children...
May 22, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28544131/sclerocorneal-graft-and-sequential-removal-of-melted-cornea-after-severe-corneal-burn-with-perforation
#5
Anja Viestenz, Berthold Seitz, Hans-Gert Struck, Arne Viestenz
INTRODUCTION: Corneal burn grade IV usually leads to blindness. Several different surgical techniques remain challenging owing to the extensive tissue damage. Here, we introduce a novel technique with a 15 mm corneoscleral and limbal homologous graft combined with sequential autologous corneal removal ab interno, with a vitrectomy probe to save the anterior chamber angle. In vivo anatomy with optical coherence tomography is the surgical key. METHOD: A large 15 mm sclerocorneal graft is sutured on top of the remainder of the destroyed cornea and sclera after removal of the epithelium and conjunctiva, with anterior synechiolysis if necessary, peripheral iridectomy and conjunctivoplasty...
May 22, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28540021/minimally-invasive-surgery-for-the-removal-of-posterior-intraocular-foreign-bodies
#6
Jesus Hernan Gonzalez-Cortes, Yunuen Bages-Rousselon, Jesus Emiliano Gonzalez-Cantu, Jesus Mohamed-Hamsho
This is a prospective clinical assay that included six patients who were diagnosed with penetrating corneal injury, traumatic cataract, and posterior segment intraocular foreign body (IOFB). Following anterior segment repair and extraction of traumatic cataract by clear cornea phacoemulsification, a standard 25-gauge transconjunctival pars plana vitrectomy was performed to find and release the IOFB. With active suction using a 25-gauge silicone tipped cannula, the foreign body was retrieved and safely placed in the anterior chamber...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28540008/predictors-of-successful-laser-capsulotomy-for-significant-posterior-capsule-opacification-after-phacoemulsification
#7
Brijesh Takkar, Parijat Chandra, Shreyas Temkar, Ashutosh Kumar Singh, Indrish Bhatia
PURPOSE: This study aimed to determine the reasons behind the failure of laser capsulotomy (LC) performed for significant posterior capsular opacification (PCO). METHODS: Eighty-eight eyes of 88 patients referred for LC at a tertiary care center were retrospectively analyzed. The data recorded included the cause of cataract, visual acuity, duration of PCO, location of PCO, intraocular lens (IOL) position, IOL type, and lens capsule status. These data were later analyzed for determining the requirement of high pulse energy during LC and the success rate of primary LC...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28540007/anterior-chamber-depth-change-following-cataract-surgery-in-pseudoexfoliation-syndrome-a-preliminary-study
#8
Mohammad Reza Fallah Tafti, Hossein Abdollah Beiki, S Farzad Mohammadi, Golshan Latifi, Elham Ashrafi, Zahra Fallah Tafti
PURPOSE: To assess the pseudophakic anterior chamber depth (PP-ACD) or effective lens position (ELP) change after cataract surgery in patients with pseudoexfoliation syndrome (PEX). METHODS: Consecutive eyes with PEX and cataract underwent standard phacoemulsification and were implanted with single-piece acrylic posterior chamber intraocular lenses (IOLs). Eyes with severe PEX and with axial length (AL) greater than 24 mm or less than 22 mm were not included. Eyes with capsular complication or unstable bags that needed capsular tension ring insertion were excluded...
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28537643/long-term-outcomes-of-primary-intraocular-lens-implantation-in-patients-aged-7-to-24-months
#9
Allison G Yeh, Lingkun Kong, Kimberly G Yen
PURPOSE: To report long-term outcomes of primary intraocular lens (IOL) placement in patients aged 7 to 24 months. METHODS: This was a retrospective study of 27 consecutive patients (28 eyes) aged 7 to 24 months who underwent cataract surgery with primary IOL placement. RESULTS: Average follow-up was 62.7 ± 41.7 months and the mean age of surgery was 14.4 ± 5.6 months. Mean final visual acuity was 1.02 ± 0.72 logMAR (20/209). Adverse events occurred in 7 eyes (25%) and included visual axis opacification in 6 eyes and pupillary block glaucoma in 1 eye...
May 1, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28536985/anterior-segment-optical-coherence-tomography-and-retained-vegetal-intraocular-foreign-body-masquerading-as-chronic-anterior-uveitis
#10
Anis Mahmoud, Riadh Messaoud, Fatma Abid, Imen Ksiaa, Melek Bouzayene, Moncef Khairallah
BACKGROUND: The purpose of this single case report was to report the use of anterior segment optical coherence tomography for the diagnosis and management of a retained vegetal intraocular foreign body. RESULTS: A 23-year-old otherwise healthy male presented with a progressive vision loss in the right eye (RE). He reported a mild ocular trauma with a tree leaf 1 year ago followed by recurrent episodes of redness and pain in the RE that partially resolved after a self-medication with topical steroids...
December 2017: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/28534232/spontaneous-dislocation-of-the-posterior-chamber-intraocular-lens
#11
Azusa Fujikawa, Yasser Helmy Mohamed, Hirofumi Kinoshita, Eiko Tsuiki, Takashi Kitaoka
AIM: To evaluate the possible risk factors for posterior chamber intraocular lens dislocation either in-the-bag (ITB) dislocation or out-of-the-bag (OOTB) dislocation. METHODS: All subjects who sustained late intraocular lens dislocation from January 2011 until May 2014 and presented to the Nagasaki University Hospital were included in the study. This study is a retrospective evaluation of all cases of posterior chamber intraocular lens dislocation in this defined period...
May 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28532945/sequential-pars-plana-vitrectomy-and-cataract-extraction-with-intraocular-lens-implantation-in-patient-with-corneal-inlay-who%C3%A2-developed-retinal-detachment-followed%C3%A2-by%C3%A2-cataract
#12
Nada S Jabbur, Shady T Awwad, Ziad F Bashshur
Twenty-one months after successful small-aperture corneal inlay (Kamra) implantation simultaneous with myopic laser in situ keratomileusis, a patient presented with a superior rhegmatogenous macula-involving retinal detachment. Successful pars plana vitrectomy, transscleral cryotherapy, and gas tamponade were performed with the inlay in situ. Three months later, uneventful phacoemulsification and posterior chamber intraocular lens implantation were performed, also with the inlay in situ, for a visually significant cataract...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532943/evaluation-of-preloaded-intraocular-lens-injection-systems-ex%C3%A2-vivo-study
#13
Mayank A Nanavaty, Magdalena Kubrak-Kisza
PURPOSE: To compare preloaded intraocular lens (IOL) injection systems. SETTING: Sussex Eye Hospital, Brighton, United Kingdom. DESIGN: Experimental study. METHODS: In 30 porcine eyes, 5 preloaded +22.0 diopters IOLs were implanted from each of the following preloaded IOL systems: Ultrasert (U), iTec (iT), Eyecee (E), iSert (iS), Rayone (R), and CT Lucia (CT). External and internal wound size was measured. Nozzle damage was assessed using digital photography...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532942/robot-assisted-simulated-cataract-surgery
#14
Tristan Bourcier, Jimmy Chammas, Pierre-Henri Becmeur, Arnaud Sauer, David Gaucher, Philippe Liverneaux, Jacques Marescaux, Didier Mutter
PURPOSE: To evaluate the feasibility of robot-assisted simulated cataract surgery. SETTING: Institut de Recherche Contre les Cancers de l'Appareil Digestif, European Institute of Telesurgery, and Strasbourg University Hospital, Strasbourg, France. DESIGN: Experimental study. METHODS: Cataract surgeries were performed on a Kitaro cataract wet-lab training system simultaneously using the Da Vinci Xi robotic surgical system and the Whitestar Signature phacoemulsification system...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532936/intraoperative-aberrometry-versus-preoperative-biometry-for-intraocular-lens-power-selection-in-axial-myopia
#15
Darren C Hill, Shruti Sudhakar, Christopher S Hill, Tonya S King, Ingrid U Scott, Brett B Ernst, Seth M Pantanelli
PURPOSE: To compare the accuracy of intraoperative wavefront aberrometry (ORA) and the Hill-radial basis function (RBF) formula with other formulas based on preoperative biometry in predicting residual refractive error after cataract surgery in eyes with axial myopia. SETTING: Private practice, Harrisburg, Pennsylvania, USA. DESIGN: Retrospective consecutive case series. METHODS: Eyes with an axial length (AL) greater than 25...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532935/toric-outcomes-computer-assisted-registration-versus-intraoperative-aberrometry
#16
Jonathan D Solomon, John Ladas
PURPOSE: To compare refractive outcomes of intraoperative computer-assisted registration and intraoperative aberrometry for the reduction of cylinder during toric intraocular lens (IOL) placement. SETTING: Bowie Vision Institute, Bowie, Maryland, USA. DESIGN: Prospective randomized case series. METHOD: The patients were divided into 2 groups that had toric IOL implantation after phacoemulsification. The intraoperative computer-assisted registration group (Group 1) had preoperative toric calculations...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532928/iris-suture-fixation-push-knot-needle
#17
Fei Liu, Qiang Zhou, Charles Q Yu, Victor Guaiquil, Yu Geng, Xiaodong Chen, Mark I Rosenblatt
We describe a technique to create a locking knot for iris reconstruction or intraocular lens fixation. A modified needle is prepared by straightening the tip of an ophthalmic viscosurgical device needle or a lacrimal cannula needle. After the suture is passed through 2 sides of an iris defect, the 2 ends are externalized and looped. One strand is then inserted into the needle from the tip out of the ferrule, and the knot is pushed into the anterior chamber by this needle in a controllable manner. Two other locking knots are then made by repeating the process...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28532924/standard-for-reporting-refractive-outcomes%C3%A2-of-intraocular-lens-based-refractive-surgery
#18
EDITORIAL
Dan Z Reinstein, Timothy J Archer, Sathish Srinivasan, Nick Mamalis, Thomas Kohnen, William J Dupps, J Bradley Randleman
No abstract text is available yet for this article.
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28530080/-cataract-surgery-complications-in-males-treated-with-alpha-1-antagonists-for-benign-prostatic-hyperplasia
#19
REVIEW
Tamar Pedut Kloizman, Raneen Shehadeh Mashour
Intraoperative floppy iris syndrome (IFIS) was first described by Chang and Campbell in 2005. The characteristics of this syndrome include: 1. Floppy iris that billows in reaction to intraocular fluid currents during standard phacoemulsification procedure; 2. Flaccid iris stroma that tends to prolapse through well-constructed surgical incisions; 3. Insufficient pupillary mydriasis despite proper pharmacologic preparation and progressive pupillary constriction during the operation. Surgical procedures with IFIS have since been noted to have an exceptionally high rate of complications, some of which can be vision threatening...
September 2016: Harefuah
https://www.readbyqxmd.com/read/28526552/anisometropia-at-age-5-years-after-unilateral-intraocular-lens-implantation-during-infancy-in-the-infant-aphakia-treatment-study-iats
#20
David Weakley, George Cotsonis, M Edward Wilson, David A Plager, Edward G Buckley, Scott R Lambert
PURPOSE: To report the prevalence of anisometropia at age 5 years after unilateral intraocular lens (IOL) implantation in infants. DESIGN: Prospective randomized clinical trial METHODS: Fifty-seven infants in the Infant Aphakia Treatment Study (IATS) with a unilateral cataract were randomized to IOL implantation with an initial targeted postoperative refractive error of either +8D (infants 28 to <48 days of age) or +6D (infants 48-210 days of age). Anisometropia was calculated at age 5 years...
May 16, 2017: American Journal of Ophthalmology
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