نتایج جستجو برای: phacoemulsification

تعداد نتایج: 2914  

Journal: :QJM: An International Journal of Medicine 2021

Abstract Background Cataract surgery is traumatic to the corneal epithelium,scarring and opacity commonest cause of blindness. Objective To study epithelial thickness in different conditions using anterior segment optical coherence tomography (AS-OCT). Patients Methods A case-control including 80 eyes divided equally into 4 groups; group 1:controls,group 2:corneal scarring ,group 3:cataract pat...

Journal: :Journal of cataract and refractive surgery 2016
Wendell J Scott Shachar Tauber James A Gessler Johann G Ohly Rachel R Owsiak Craig D Eck

PURPOSE To compare the vitreous loss complication rate of manual phacoemulsification cataract surgery with that of femtosecond laser-assisted cataract surgery. SETTING Mercy Eye Specialists, Springfield, Missouri, USA. DESIGN Retrospective single-center case series. METHODS Cataract surgeries from 2010 to 2014 performed by 4 surgeons were audited for rates of vitreous loss. Vitreous loss ...

2014
Pooria Sharif-Kashani Douglas Fanney Val Injev

BACKGROUND Occlusion break surge during phacoemulsification cataract surgery can lead to potential surgical complications. The purpose of this study was to quantify occlusion break surge and vacuum rise time of current phacoemulsification systems used in cataract surgery. METHODS Occlusion break surge at vacuum pressures between 200 and 600 mmHg was assessed with the Infiniti® Vision System, ...

Journal: :The British journal of ophthalmology 2002
M Wertheim R Burton

AIMS To evaluate the visual outcome, safety, and economic benefits of immediately sequential phacoemulsification performed under topical anaesthesia as a day case procedure. METHODS Immediately sequential phacoemulsification under topical anaesthesia was performed as a day case procedure on 218 eyes of 109 patients over 21 months by a single senior surgeon using intracameral antibiotics. Case...

Journal: :Cornea 2008
Ratna Sitompul Grace S Sancoyo Johan A Hutauruk Tjahjono D Gondhowiardjo

PURPOSE To describe corneal sensitivity changes caused by different incision methods-manual small-incision cataract surgery (manual SICS) and phacoemulsification-and their influence on tear film quantity and quality. METHODS This was a prospective observational study conducted in 30 subjects undergoing manual SICS or phacoemulsification. Corneal sensitivity was assessed before and 1, 7, and 1...

2016
Tsutomu Igarashi Ikuroh Ohsawa Maika Kobayashi Toru Igarashi Hisaharu Suzuki Masumi Iketani Hiroshi Takahashi

In phacoemulsification, ultrasound induces hydroxyl radical (·OH) formation, damaging corneal endothelium. Whether H2 can prevent such oxidative damage in phacoemulsification was examined by in vitro and in vivo studies. H2 was dissolved in a commercial irrigating solution. The effects of H2 against ·OH generation were first confirmed in vitro by electron-spin resonance (ESR) and hydroxyphenyl ...

2012
Vasileios G Peponis Spyridon E Chalkiadakis Michail C Katzakis Efstratios A Parikakis

The purpose of our systematic review is to document the adverse events that follow phacoemulsification in eyes with trabeculectomy due to glaucoma and to determine whether phacoemulsification jeopardizes the survival of the trabeculectomy. Our research was based on English- and non-English-language articles obtained using the Medline, Embase, Web of Science and Scopus databases. Additional stud...

Journal: :The Medical journal of Malaysia 2016
T Thevi S Sahoo

PURPOSE To analyse the visual outcomes of cases with posterior capsule rupture (PCR) compared to those without PCR following phacoemulsification. The occurrence of posterior capsule rupture during phacoemulsification surgery for cataract can have serious implications in the visual recovery. However, recognition of PCR and proper management can yield a successful visual outcome. This study analy...

Journal: :The British journal of ophthalmology 2009
K Al Sabti S Raizada T Al Abduljalil

AIM The aim of the present study is to evaluate the feasibility of endoscopy-assisted phacoemulsification, intraocular lens (IOL) implantation and anterior segment manoeuvres like synechiotomy where conventional surgery through a microscope view was not possible due to corneal opacification. METHODS This is a prospective, non-comparative, case report series of nine consecutive patients who un...

Journal: :Chang Gung medical journal 2003
Shuh-Bin Liao Wan-Chen Ku

BACKGROUND This retrospective study was conducted to analyze the progression rates of diabetic retinopathy (DR) after phacoemulsification in diabetic patients and to determine whether phacoemulsification causes the progression of DR. METHODS The medical charts of diabetic patients who had undergone cataract surgery using phacoemulsification techniques during a 3-year period and had completed ...

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