نتایج جستجو برای: phacoemulsification

تعداد نتایج: 2914  

ژورنال: بینا 2019
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Purpose: To examine the visual and refractive results of cataract surgery by phacoemulsification method in patients with keratoconus. Methods: In this retrospective study, the files of patients with keratoconus, who underwent phacoemulsification between 2008 and 2017, were evaluated. The intraocular lens power calculation formula was SRK/T. Post-operative visual and refractive results were anal...

Journal: :International Journal of Medical and Biomedical Studies 2022

Background: To study dry eye following phacoemulsification surgery
 Methods: This prospective observational was performed after selecting 100 consecutive patients over 45 years of age with senile cataract, without preexisting and other ocular disorders.
 Results: All the tests preoperatively postoperatively showed incidence to be 10.00%.
 Conclusion: We concluded that cataract su...

Journal: :Journal of cataract and refractive surgery 2005
Mark Packer William J Fishkind I Howard Fine Barry S Seibel Richard S Hoffman

Despite its unparalleled success in the field of surgery, the precise mechanism of ultrasonic phacoemulsification cataract extraction remains controversial. We review the relevant peer-reviewed literature on the subject of power generation and tip-tissue interactions to clarify the current status of our knowledge. We conclude that phacoemulsification most likely operates by a combination of mec...

Journal: :Pakistan Journal of Medical and Health Sciences 2023

Introduction: Cataract is the leading cause of treatable blindness worldwide. Phacoemulsification with intraocular lens (IOL) implantation most common surgical procedure performed for treatment cataract. The diabetic cornea has decreased corneal endothelial cell density (CED) due to dysfunction and malfunctioning repair systems. Objective: To compare mean before after phacoemulsification in pat...

Journal: :International Journal of Mechanical Sciences 2022

During cataract surgery the clouded lens is broken up by phacoemulsification. The iris can become highly mobile and could be entrained phacoemulsification probe, under a condition known as intraoperative floppy syndrome (IFIS). In this study we explore mechanism of IFIS during phacoemulsification-based using fluid-structure interaction (FSI) simulations. As first its kind, developed simplified ...

Journal: :Meždunarodnyj vestnik veterinarii 2022

Diabetic cataracts are common in diabetic dogs and lead to blindness lens-induced uveitis, the complications of which may need remove eyeball. The objectives this study were provide a clinical ophthalmological characteristics cataract dogs, describe pre-, intra- postoperative phacoemulsification identify relationships between different parameters phacoemulsification, types complications, outcom...

Journal: : 2021

Dislocation of intraocular lens is a serious complication phacoemulsification with implantation lens. Among the causes early dislocation intraoperative complications predominate, as well various form their mixed fixation. In late postoperative period, capsular bag-intraocular complex mainly occurs, main reasons for which are zonular weakness and failure bag support or its fibrosis. Purpose : to...

2002
P Bhartiya N Sharma M Ray R Sinha R B Vajpayee

Aim: To evaluate the efficacy of trypan blue for enhancing visualisation during phacoemulsification and foldable lens implantation in cases of cataract with corneal opacities. Methods: 11 eyes of 11 patients with nebulomacular corneal opacities involving the visual axis with partially and visually debilitating cataract underwent trypan blue assisted phacoemulsification with foldable intraocular...

Journal: :The British journal of ophthalmology 2002
P Bhartiya N Sharma M Ray R Sinha R B Vajpayee

AIM To evaluate the efficacy of trypan blue for enhancing visualisation during phacoemulsification and foldable lens implantation in cases of cataract with corneal opacities. METHODS 11 eyes of 11 patients with nebulomacular corneal opacities involving the visual axis with partially and visually debilitating cataract underwent trypan blue assisted phacoemulsification with foldable intraocular...

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