PURPOSE To evaluate the clinical outcomes of new phacoemulsification technology. SETTING Oregon Eye Institute, Eugene, Oregon, USA. METHODS After optimization of surgical parameters, patients were randomly assigned to cataract extraction with 1 of 4 phacoemulsification machines using new technology available within the past 1 to 2 years. Outcomes were compared with previously published resu...

background : phacoemulsification is one of the best surgical treatments for the cataract. secondary to the technicaladvances in estimating the intraocular lens (iol) power, the refractive errors, one of the most important surgical complications after surgery, is now reduced. currently, two methods of biometry are used to calculate the iol power, ultrasound biometry and optical biometry. both me...

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...

In order to carry out the simulation of the electrical noise, a pulse generator with fast rise time is needed. For this reason, the pulse generator using a coaxial cable is usually used. The pulse generator consists of a DC power supply, a charging resistor, a coaxial cable, a relay, and a terminator. Even the same voltage as charge voltage was outputted when the termination of the impedance wa...

PURPOSE To determine the accuracy of visual estimation of immediate postoperative intraocular pressure (IOP) following microincision cataract surgery (MICS) and the effect of immediate postoperative IOP adjustment on prevention of cystoid macular edema (CME). SETTING Ambulatory surgical center. METHODS Prospective, randomized analysis of 170 eyes in 135 patients with MICS, performed in a Me...

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...

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...

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 ...