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Cataract, intraocular lens

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https://www.readbyqxmd.com/read/28337059/cataract-surgical-rate-in-yemen-2012
#1
Saleh A Al-Akily, Mutahar Y AlShaer, Mahfouth A Bamashmus, Abdulmoghni O AlBarrag, Tawfik K Alkhatib, Hisham A Al-Akhlee
OBJECTIVE: To determine cataract surgical rate (CSR) in 2012 (01 January to 31 December 2012) in 22 Governorates of Yemen in order to identify the needs to reduce cataract related blindness. METHODS: A standardized questionnaire was sent to the 184 eye units in governmental, university, military, private and charity clinics and hospitals in Yemen. RESULTS: The response rate to the questionnaire was 80.7%, and the collected data are summarized...
January 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28328814/clinical-outcomes-of-new-toric-trifocal-diffractive-intraocular-lens-in-patients-with-cataract-and-stable-keratoconus-six-months-follow-up
#2
Doroodgar Farideh, Sanginabadi Azad, Niazi Feizollah, Niazi Sana, Alinia Cyrus, Ghoreishi Mohammad, Baradaran-Rafii Alireza
PURPOSE: To evaluate the clinical results of toric trifocal diffractive intraocular lens in eyes with cataract and mild keratoconus. METHODS: Five keratoconus patients (10 eyes) that had bilateral AT LISA 939 implantation were selected and had followed in 3-time horizons of 1, 3, and 6 months. Patients were 46 to 65 years old age, corneal astigmatism of (2.00 D at 6.75 D) and cataract that all of them needed cataract surgery. The distance, intermediate and near visual acuities, defocus curve, ocular aberrations, contrast sensitivity, were measured as effectiveness criteria...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28317685/cost-utility-analyses-of-cataract-surgery-in-vision-threatening-diabetic-retinopathy
#3
Bijun Zhu, Yingyan Ma, Haidong Zou
PURPOSE: To explore the cost utility of cataract surgery in patients with stabilized vision-threatening diabetic retinopathy (DR). SETTING: Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China. DESIGN: Prospective case series. METHODS: Patients diagnosed with cataracts combined with stabilized vision-threatening DR had successful phacoemulsification with foldable posterior chamber intraocular lens implantation...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317684/comparison-of-the-performance-and-safety-of-2-ophthalmic-viscosurgical-devices-in-cataract-surgery
#4
Gerd U Auffarth, Florian N Auerbach, Tanja Rabsilber, José A Gegúndez, Ricardo Cuiña, Yves Renard, Paolo Vinciguerra, Fabrizio Camesasca, Francoise Van Cauwenberge, Thierry Amzallag, Gysbert Van Setten, Mike P Holzer
PURPOSE: To compare the clinical performance and safety of 2 ophthalmic viscosurgical devices (OVDs)-Twinvisc (OVD 1) and Duovisc (OVD 2)-in cataract surgery. SETTING: European multicenter study. DESIGN: Prospective randomized controlled study. METHODS: Patients with cataract had phacoemulsification and intraocular lens implantation in 1 eye. They were randomly assigned to receive OVD 1 or OVD 2. Preoperative and postoperative examinations over 3 months included mean intraocular pressure (IOP), incidence of IOP peaks (≥30 mm Hg and ≥24 mm Hg), endothelial cell count (ECC), corneal thickness, and intraocular inflammation...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317682/intraocular-lens-scaffold-technique-to-prevent-posterior-capsule-rupture-in%C3%A2-cases%C3%A2-of-morgagnian-cataract
#5
Rohit Om Parkash, Shruti Mahajan, Tushya Om Parkash, Vittal Nayak
We describe a technique for performing safe phacoemulsification of a Morgagnian cataract using the intraocular lens (IOL) scaffold. An IOL scaffold has been used in cases in which posterior capsule rupture has occurred, leaving nonemulsified nuclear pieces. The scaffold provides a barrier that prevents the nuclear fragments from falling posteriorly into the vitreous cavity. Our technique uses the IOL as a scaffold to prevent the vulnerable posterior capsule from rupturing during nuclear emulsification in Morgagnian cataract...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317681/comparison-of-biometry-and-intraocular-lens-power-calculation-performed-by-a-new-optical-biometry-device-and-a-reference-biometer
#6
Bruna V Ventura, Marcelo C Ventura, Li Wang, Douglas D Koch, Mitchell P Weikert
PURPOSE: To compare biometry measurements and intraocular lens (IOL) power calculations obtained by a new optical A-scan interferometer biometer (Galilei G6) (new biometer) and a partial coherence interferometer biometer (IOLMaster 500) (reference biometer). SETTING: Private practice, Recife, Brazil. DESIGN: Retrospective comparative study. METHODS: Cataract patients who had biometric measurements with the new biometer and the reference biometer were included in the study...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28300744/a-modified-simple-technique-of-removing-the-lens-cortex-during-cataract-surgery
#7
Kyung Eun Han, Se Hoon Han, Dongkwon Lim, Min Chul Shin
We describe here a surgical technique of removing the remaining cortex after phacoemulsification without performing the conventional irrigation/aspiration (I/A) procedure. In this technique, the remaining cortex attached to the posterior capsule was separated and dissected into several pieces by continuous irrigation with balanced salt solution, which was supplied through a syringe attached to a bent, blunt-tip needle. Approximately, 10 s of manual irrigation separated most of the remaining cortex from the posterior capsule...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28299005/preliminary-results-of-femtosecond-laser-assisted-cataract-surgery-in-a-private-clinic-in-iran
#8
Farhad Nejat, Sara Sarahati, Sahar Mojaled Nobari, Khosrow Jadidi, Mostafa Naderi, Mohammad Amin Nejat
PURPOSE: To report the preliminary results of femtosecond laser-assisted cataract surgery in Iranian patients. METHODS: This prospective case series included 21 eyes of 21 patients with cataract. Mean patient age was 66.7 ± 10 years. The patients underwent femtosecond-laser assisted cataract surgery (VICTUS Femtosecond Laser Platform: Bausch + Lomb) and intraocular lens (IOL) implementation in Bina Eye Hospital, Tehran, Iran between May and October, 2014. Visual outcomes, intraocular pressure (IOP), and complications were evaluated three months after surgery...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298709/prevalence-of-corneal-astigmatism-in-an-nhs-cataract-surgery-practice-in-northern-ireland
#9
David S Curragh, Patrick Hassett
PURPOSE: Post-operative corneal astigmatism following cataract surgery can leave the patient with visual impairment. Correcting it at the time of surgery with a toric intraocular lens (TIOL) can give patients a better final visual outcome. The purpose was to determine the prevalence of corneal astigmatism in a cataract population and assess the demand for TIOL. METHODS: Keratometric data was collected and analyzed for all patients who attended for routine cataract surgery under the care of a single surgeon based in Altnagelvin Area Hospital, Northern Ireland (NI)...
January 2017: Ulster Medical Journal
https://www.readbyqxmd.com/read/28291554/implantation-of-posterior-chamber-phakic-intraocular-lens-for-myopia-and-hyperopia%C3%A2-%C3%A2-long-term-clinical-outcomes
#10
H Kocová, E Vlková, L Michalcová, O Motyka
PURPOSE: To evaluate long-term refractive outcomes of implantable collamer lens (ICL) implantation and late postoperative complications. METHODS: We assessed outcomes of patients who underwent ICL implantation (type ICM V4 for myopia, ICH V3 for hyperopia, TICM V4 for astigmatism) in our department between 1998 and 2013. It comprised 62 eyes (40 myopic and 22 hyperopic). The average follow-up period was 10.5 years. We evaluated: uncorrected and best-corrected visual acuity (UCVA and BCVA), spherical equivalent (SE), ICL vault, endothelial cell density and late postoperative complications...
March 11, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28289879/-predictability-of-residual-astigmatism-after-implantation-of-posterior-chamber-toric-lenses
#11
D Mies, T Klink, W Eisenbarth, L M Meyer
BACKGROUND: The objective of the study was to examine the predictability of residual astigmatism after cataract surgery and implantation of the posterior chamber aspheric toric lens TECNIS® ZCT, Abott Medical Optic (Ettlingen, Deutschland). MATERIAL AND METHODS: The retrospective study included a total of 88 patient eyes undergoing a cataract operation with a toric lens implantation between March 2014 and October 2015. The inclusion criteria were a regular astigmatism of at least 0...
March 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28288588/siderotic-cataract-with-no-signs-of-intraocular-foreign-body
#12
Ke-Ke Zhang, Wen-Wen He, Yi Lu, Xiang-Jia Zhu
BACKGROUND: Ocular siderosis is a clinical condition induced by deposition of an iron-containing intraocular foreign body. We report a unique case of histopathologically proven lens siderosis in a young woman with a preceding history of trauma but no signs of retained intraocular foreign body. CASE PRESENTATION: A 32-year-old woman presented with an opacified lens showing brownish deposits on the anterior capsule and underwent cataract surgery. Preoperative ophthalmic examination did not show any retained intraocular foreign body...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28277441/changes-in-the-posterior-vitreous-after-cataract-surgery-assessed-by-swept-source-optical-coherence-tomography
#13
Yuki Otsuka, Sotaro Ooto, Nagahisa Yoshimura
PURPOSE: To assess changes in the posterior vitreous caused directly by phacoemulsification with implantation of an intraocular lens, using the enhanced vitreous swept-source optical coherence tomography system (Topcon, Tokyo, Japan). METHODS: Consecutive patients with cataract without posterior vitreous detachment were enrolled. Swept-source optical coherence tomography examinations were performed 1 day before and several days after surgery, using enhanced vitreous visualization...
March 8, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28273986/a-comparative-study-to-assess-the-predictability-of-different-iol-power-calculation-formulas-in-eyes-of-short-and-long-axial-length
#14
Dharmil Doshi, Purvi Limdi, Nilesh Parekh, Neepa Gohil
INTRODUCTION: Accurate Intraocular Lens (IOL) power calculation in cataract surgery is very important for providing postoperative precise vision. Selection of most appropriate formula is difficult in high myopic and hypermetropic patients. AIM: To investigate the predictability of different IOL (Intra Ocular Lens) power calculation formulae in eyes with short and long Axial Length (AL) and to find out most accurate IOL power calculation formula in both groups. MATERIALS AND METHODS: A prospective study was conducted on 80 consecutive patients who underwent phacoemulsification with monofocal IOL implantation after obtaining an informed and written consent...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28255227/five-year-outcomes-of-pars-plana-vitrectomy-for-macular-edema-associated-with-branch-retinal-vein-occlusion
#15
Akihiro Nishida, Hiroshi Kojima, Takanori Kameda, Michiko Mandai, Yasuo Kurimoto
PURPOSE: Long-term outcomes of pars plana vitrectomy (PPV) for macular edema (ME) associated with branch retinal vein occlusion (BRVO) have been previously reported, but the studies did not report the number of additional treatments after surgery. During 5 years of follow-up, we therefore investigated the efficacy and safety of PPV for BRVO and evaluated the incidence of additional treatments. METHODS: We retrospectively reviewed the medical records of 25 eyes of 24 patients who underwent PPV for ME associated with BRVO and were followed up for at least 5 years...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28254265/outcomes-of-pediatric-cataract-surgery-with-triamcinolone-assisted-vitrectomy
#16
Tzu-Hsun Tsai, Chia-Ying Tsai, Jehn-Yu Huang, Fung-Rong Hu
PURPOSE: To evaluate outcomes in pediatric patients undergoing lensectomy, posterior capsulotomy, and triamcinolone-assisted vitrectomy for congenital cataract. METHODS: This retrospective study included 34 patients younger than 72 months who underwent lensectomy, posterior capsulotomy, and triamcinolone-assisted vitrectomy with or without intraocular lens (IOL) implantation for cataract at the National Taiwan University Hospital from July 2006 to December 2012...
February 18, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28251083/predictive-factors-for-photic-phenomena-after-refractive-rotationally-asymmetric-multifocal-intraocular-lens-implantation
#17
Hungwon Tchah, Kiyeun Nam, Aeri Yoo
AIM: To investigate the independent factors associated with photic phenomena in patients implanted with refractive, rotationally asymmetric, multifocal intraocular lenses (MIOLs). METHODS: Thirty-four eyes of 34 patients who underwent unilateral cataract surgery, followed by implantation of rotationally asymmetric MIOLs were included. Distance and near visual acuity outcomes, intraocular aberrations, preferred reading distances, preoperative and postoperative refractive errors, mesopic and photopic pupil diameters, and the mesopic and photopic kappa angles were assessed...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28243024/outcomes-of-cataract-surgery-following-treatment-for-retinoblastoma
#18
Hyeong Min Kim, Byung Joo Lee, Jeong Hun Kim, Young Suk Yu
PURPOSE: To evaluate the long-term visual outcomes and complications of cataract surgery in eyes previously treated for retinoblastoma. METHODS: We reviewed the medical records of patients who underwent cataract extraction and intraocular lens implantation at Seoul National University Children's Hospital for a secondary cataract that developed after retinoblastoma treatment. RESULTS: During the period between 1990 and 2014, 208 eyes of 147 patients received eye-salvaging treatment (radiotherapy, chemotherapy, and local therapy) for retinoblastoma at Seoul National University Children's Hospital...
February 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28243021/comparison-of-anterior-capsule-stability-following-implantation-of-three-single-piece-acrylic-intraocular-lenses-with-different-haptic-design
#19
RANDOMIZED CONTROLLED TRIAL
Soonwon Yang, Sung A Lim, Kyung-Sun Na, Choun-Ki Joo
PURPOSE: To compare the anterior capsule contraction and intraocular lens (IOL) decentration among three types of IOL to determine the influence of haptic design on anterior capsule stability. METHODS: One hundred fifty patients were enrolled in this prospective, randomized study and 260 eyes underwent implantation of one of the following IOLs: modified L-haptic IOL (n = 74), modified C-haptic IOL (n = 97), or a plate-haptic IOL (n = 89). The area of the anterior capsule opening, IOL decentration, and capsule overlap were measured using retroillumination photospot 1 day and 2 months after cataract surgery...
February 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28237965/genetic-dissection-of-anterior-segment-dysgenesis-caused-by-a-col4a1-mutation
#20
Mao Mao, Márton Kiss, Yvonne Ou, Douglas B Gould
Ocular anterior segment dysgenesis (ASD) describes a spectrum of clinically and genetically heterogeneous congenital disorders affecting anterior structures that often lead to impaired vision. More importantly, between 50-75% of patients with ASD develop early onset and aggressive glaucoma. Although several genes have been implicated in the etiology of ASD, the underlying mechanisms remain elusive. Type IV collagen alpha 1 (COL4A1) is an extracellular matrix protein and a critical component of nearly all basement membranes...
February 24, 2017: Disease Models & Mechanisms
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