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Phacoemulsification

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https://www.readbyqxmd.com/read/29223239/phacoemulsification-with-intraocular-lens-implantation-after-previous-descemetorhexis-without-endothelial-keratoplasty
#1
Aaron R Kaufman, Ricardo M Nosé, Yifan Lu, Roberto Pineda
A 58-year-old woman with bilateral Fuchs endothelial corneal dystrophy presented with predominantly central guttata in the left eye causing visually significant stromal edema. A 4.0 mm descemetorhexis without endothelial keratoplasty was performed. At the 6-week follow-up, the central cornea had cleared completely and the central endothelial cell density (ECD) was 541 cells/mm2. The central corneal clearing remained stable for 2 years after the procedure; however, vision declined because of a visually significant cataract in the left eye...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29223237/effect-of-chamber-stabilization-software-on-efficiency-and-chatter-in-a-porcine-lens-model
#2
Alex J Wright, Rhett S Thomson, Ashlie A Bernhisel, Brian Zaugg, William R Barlow, Jeff H Pettey, Randall J Olson
PURPOSE: To evaluate the effects of the use of programmable chamber stabilization software (Chamber Stabilization Environment) settings on efficiency and chatter in a porcine lens model. SETTING: John A. Moran Eye Center Laboratory, University of Utah, Salt Lake City, Utah, USA. DESIGN: Experimental study. METHODS: Porcine eyes were dissected and the lenses extracted. The lenses were then hardened and processed for the experiment...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29223228/endophthalmitis-after-cataract-surgery-effect-of-behind-the-lens-washout
#3
Tetsuro Oshika, Yuichi Ohashi
PURPOSE: To analyze the outcomes of cataract surgery with emphasis on the relationship between surgery-related factors and the incidence of postoperative infectious endophthalmitis. SETTING: Ninety-three surgical sites in Japan. DESIGN: Prospective case series. METHODS: Eyes that were scheduled to have cataract surgery from January 20 to September 30, 2014, were included. Phacoemulsification and implantation of a single-piece hydrophobic acrylic foldable intraocular lens (IOL) were performed...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29223227/cataract-surgery-and-environmental-sustainability-waste-and-lifecycle-assessment-of-phacoemulsification-at-a-private-healthcare-facility
#4
Cassandra L Thiel, Emily Schehlein, Thulasiraj Ravilla, R D Ravindran, Alan L Robin, Osamah J Saeedi, Joel S Schuman, Rengaraj Venkatesh
PURPOSE: To measure the waste generation and lifecycle environmental emissions from cataract surgery via phacoemulsification in a recognized resource-efficient setting. SETTING: Two tertiary care centers of the Aravind Eye Care System in southern India. DESIGN: Observational case series. METHODS: Manual waste audits, purchasing data, and interviews with Aravind staff were used in a hybrid environmental lifecycle assessment framework to quantify the environmental emissions associated with cataract surgery...
November 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29222626/the-effect-of-phacoemulsification-on-intraocular-pressure-in-eyes-with-hyperfiltration-following-trabeculectomy-a-prospective-study
#5
Ivano Riva, Andreas Katsanos, Francesco Oddone, Luciano Quaranta
INTRODUCTION: The aim of this study was to evaluate the effect of visually non-significant cataract extraction in patients with hypotony maculopathy and reduced visual acuity due to over-filtering blebs after trabeculectomy. METHODS: Patients with intraocular pressure (IOP) < 6 mmHg and documented hypotony maculopathy due to over-filtering blebs after trabeculectomy were prospectively recruited. Eligible patients underwent visually non-significant cataract phacoemulsification, no earlier than 12 weeks from the diagnosis of hypotony maculopathy...
December 8, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/29217945/a-3-year-review-of-the-outcome-of-pars-plana-vitrectomy-for-dropped-lens-fragments-after-cataract-surgery-in-a-tertiary-eye-hospital-in-dhaka-bangladesh
#6
Lateefat Olokoba, Tajul Islam, Nazmun Nahar, Abdulraheem Mahmoud, Abdulfatai Olokoba
Background: Dropped lens fragments into the vitreous are uncommon, but potentially sight threatening complications of cataract surgery. The recommended approach for removal of dropped lens matter is pars plana vitrectomy with or without ultrasonic emulsification with the fragmatome. This study aimed to determine the visual outcome following pars plana vitrectomy for dropped lens fragments complicating cataract surgery at 6 weeks, 3 months and 6 months. Methods: This study is a retrospective review of patients who had PPV as treatment for dropped lens fragments complicating cataract surgery at Ispahani Islamia Eye hospital and Institute...
July 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/29216854/acute-clouding-of-trifocal-lens-during-implantation-a-case-report
#7
Qian Liu, Suhua Zhang, Xiaogang Wang, Weifang Cao, Yading Jia
BACKGROUND: Intraoperative IOLs clouding of several kinds of hydrophilic acrylic intraocular lenses (IOLs) have been reported due to temperature changes. This phenomenon reported previously occurred in cold countries and during the winter months. However, no clinical case was reported about trifocal IOL opacification during operation. We report a case in which acute opacification of the optical region occurred simultaneously when AT LISA tri 839mp(Carl Zeiss) was implanted into the eye...
December 8, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29214075/air-bubble-technique-for-fundus-visualization-during-vitrectomy-in-aphakia
#8
Mahmoud Mohamed Farouk, Takeshi Naito, Mohammed Elagouz, Hatem Ammar, Alahmady Hamad Alsmman, Engy Mohamed Mostafa
Purpose: To evaluate the efficacy and safety of air bubble technique for vitrectomy in aphakia. Study Design: Prospective interventional uncontrolled case series. Methods: This study included 53 eyes of 53 patients who are phakic and indicated for phacovitrectomy (7 eyes, group 1), aphakic and indicated for vitrectomy (22 eyes, group 2), or underwent unplanned vitrectomy for immediate management of a phacoemulsification surgery complicated by rupture posterior capsule with dropped nucleus, fragments, or IOL (24 eyes, group 3)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208837/antibiotic-prophylaxis-practice-patterns-for-cataract-surgery-in-india-results-from-an-online-survey
#9
Aditya S Kelkar, David F Chang, Jai A Kelkar, Hetal M Mehta, Tatyarao Lahane, Ragini Parekh
PURPOSE: The aim of this study is to assess the current antibiotic prophylaxis practice patterns for cataract surgery in India. METHODS: This was a questionnaire-based E-survey carried out at a tertiary eye care center in India. An E-mail invitation to complete an online 20 point questionnaire survey was sent to all members of the All India Ophthalmological Society with valid E-mail addresses using a digital E-mail service. Duplicate entries were prevented. RESULTS: Out of 1228 total respondents (8...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208832/comparison-of-visual-performance-and-after-cataract-formation-between-two-monofocal-aspheric-intraocular-lenses-following-phacoemulsification-for-senile-cataract-a-randomized-controlled-study
#10
Shikha Yadav, Pranita Sahay, Prafulla K Maharana, Jeewan S Titiyal, Rasik B Vajpayee, Namrata Sharma
PURPOSE: Monofocal aspheric intraocular lenses (IOLs) provide better visual outcome compared to other available IOLs following cataract surgery. However, the imported IOLs are expensive and are not affordable by all subset of patients in low- to middle-income countries like India. The aim of this study is to compare the safety and efficacy of a relatively low cost indigenous IOL (Acriol EC) with an imported aspheric IOL (AcrySof IQ). METHODS: A randomized controlled trial was conducted at a tertiary care centre...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208831/long-term-results-of-trypan-blue-dye-irrigation-in-the-capsular-bag-to-prevent-posterior-capsule-opacification-a-randomized-trial
#11
Rajesh Subhash Joshi, Murtaza Saifuddin Hussain
PURPOSE: To study the effect of capsular bag irrigation of trypan blue dye (0.06%) on posterior capsular opacification (PCO) in eyes undergoing phacoemulsification. METHODS: This was a randomized, trial conducted at a tertiary eye care center in central India. The study included 50 patients (100 eyes) with senile cataracts who were scheduled for phacoemulsification and intraocular lens (IOL) implantation and were willing to undergo bilateral cataract surgery. One eye of each patient was randomized to one of two groups...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208830/lens-decompression-technique-for-prevention-of-intraoperative-complications-during-phacoemulsification-of-intumescent-cataract
#12
Karim Mahmoud Nabil
PURPOSE: To evaluate intraoperative complications during phacoemulsification of intumescent cataract using lens decompression technique. METHODS: Participants with intumescent cataract scheduled for phacoemulsification were recruited and divided into two groups. In both groups, after the anterior capsule was stained with trypan blue, the anterior chamber was filled peripherally with a dispersive ophthalmic viscosurgical device (OVD) followed centrally by a higher viscosity cohesive OVD (Healon GV)...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208829/comparative-analysis-of-endothelial-cell-loss-following-phacoemulsification-in-pupils-of-different-sizes
#13
Rakesh Maggon, Raghudev Bhattacharjee, Sandeep Shankar, Rajesh Chandra Kar, Vivek Sharma, Shyamal Roy
PURPOSE: To compare Endothelial cell(EC) loss following Phacoemulsification (PKE) in pupils of different sizes. METHODS: A prospective double masked observational study in which a total of 150 eyes of 150 patients between 50 & 70 years of age with senile cataract of nuclear sclerosis grade II were enrolled. Patients were allocated into three groups of 50 eyes each in Group A (pupil size <5 mm), Group B (pupil size 5-7 mm) and Group C (pupil size >7 mm). Pupillary size was measured by determining the height of slit on slit-lamp biomicroscope examination...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208826/limited-vitrectomy-in-phacomorphic-glaucoma
#14
Ritika Sachdev, Avnindra Gupta, Ritesh Narula, Rashmi Deshmukh
One of the challenging situations for a cataract surgeon is phacoemulsification in the shallow anterior chamber like cases of phacomorphic glaucoma. Some of the main concerns of operating in a narrow space include endothelial decompensation, descemet's detachment, and posterior capsular rents. High vitreous pressure predisposes to posterior capsular rents owing to a reduced concavity of the posterior capsule and increasing the proximity of phaco-tip to the posterior capsule. We describe a technique of limited vitrectomy in such cases...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208822/b-hex-pupil-expander-pupil-expansion-redefined
#15
Suven Bhattacharjee
The B-HEX® Pupil Expander (Med Invent Devices) is a disposable 6.5 mm flexible hexagonal device with notches at corners and flanges at sides. Alternate flanges with positioning holes are tucked under the iris to engage the notches to the margin of the pupil to provide a 5.5 mm expanded pupil. Unlike devices with scrolls or pockets which require an injector to avoid snagging the incision, the preloaded B-HEX is inserted and removed through a 1 mm or larger incision using a manipulator or 23-gauge micro-forceps...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208818/corneal-edema-after-phacoemulsification
#16
REVIEW
Namrata Sharma, Deepali Singhal, Sreelakshmi P Nair, Pranita Sahay, S S Sreeshankar, Prafulla Kumar Maharana
Phacoemulsification is the most commonly performed cataract surgery in this era. With all the recent advances in investigations and management of cataract through phacoemulsification, most of the patients are able to achieve excellent visual outcome. Corneal edema after phacoemulsification in the immediate postoperative period often leads to patient dissatisfaction and worsening of outcome. Delayed onset corneal edema often warrants endothelial keratoplasty. This review highlights the etiopathogenesis, risk factors, and management of corneal edema in the acute phase including descemet's membrane detachment (DMD) and toxic anterior segment syndrome...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29208807/review-of-manual-small-incision-cataract-surgery
#17
REVIEW
Kamaljeet Singh, Arshi Misbah, Pranav Saluja, Arun Kumar Singh
Cataract surgery has undergone many changes with the size of incision progressively decreasing over time with an incision of 12.0 mm for intracapsular cataract extraction to 2.2-2.8 mm in phacoemulsification. However, phacoemulsification due to high cost and equipment maintenance cannot be employed widely in developing countries. Manual small-incision cataract surgery (MSICS) offers similar advantages with the merits of wider applicability, less time consuming, a shorter learning curve, and lower cost. MSICS can be performed in high-volume setups due to fast technique...
December 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29205744/rabbits-with-naturally-occurring-cataracts-referred-for-phacoemulsification-and-intraocular-lens-implantation-a-preliminary-study-of-12-cases
#18
Rick F Sanchez, Richard Everson, Joanna Hedley, Charlotte Dawson, Richard Lam, Simon L Priestnall, Alejandra Garcia de Carellan, Cristina de Miguel, Christopher Seymour
OBJECTIVE: To describe the presentation of 15 rabbits with naturally occurring cataracts referred for phacoemulsification surgery, the procedure in 13 cases and the follow-up in 12. ANIMALS INCLUDED: Fifteen rabbits (30 eyes), nine of which stopped following visual cues in association with cataract progression. MATERIALS AND METHODS: Rabbits underwent preoperative ophthalmic and ocular ultrasound examination. RESULTS: Thirteen rabbits (22 eyes) had mature cataracts...
December 4, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29202725/complete-occlusion-of-anterior-capsulorhexis-after-uneventful-cataract-surgery-treated-with-yag-laser-capsulotomy
#19
Hoon Dong Kim, Jae Min Kim, Jong Jin Jung
BACKGROUND: Capsular contraction syndrome (CCS) has been reported as an uncommon complication after an cataract extraction surgery with intact anterior capsulorhexis. This report is written to present a case of complete occlusion of the anterior capsulorhexis opening after an uneventful cataract surgery, which was treated with non-invasive treatment. CASE PRESENTATION: A 69-year-old woman complained of decreased visual acuity in her right eye, which had started 2 months ago...
December 4, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29199864/intracameral-use-of-nepafenac-safety-and-efficacy-study
#20
Ramesh Jha, Vismapratap Sur, Arnab Bhattacharjee, Tanushri Ghosh, Vinod Kumar, Aditya Konar, Sarbani Hazra
PURPOSE: To test the intracameral safety of nepafenac and its efficacy in inhibiting prostaglandin synthesis during phacoemulsification surgery. METHODS: The safety evaluation was conducted in normal eyes of rabbits, 0.1ml of 0.3% and 1% nepafenac was injected intracamerally. Extensive studies to detect adverse response ranged from a gross examination of eyes under slit lamp biomicroscope, fluorescein dye test, Schirmer tear test, test for corneal sensitivity, intraocular pressure measurement (IOP), specular microscopy, electroretinography(ERG), and histopathological examination of intraocular tissues...
December 4, 2017: Current Eye Research
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