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Surgical technique cataract

Avner Belkin, Adi Abulafia, Adi Michaeli, Shay Ofir, Ehud I Assia
BACKGROUND: Temperature profiles at the corneal wound of coaxial mini-incision (2.4 mm) cataract surgery and sleeveless micro-incision (1.1 mm) cataract surgery were compared. DESIGN: Prospective, controlled, paired-eye clinical trial conducted in a tertiary care hospital PARTICIPANTS: Twenty patients with mild to moderate bilateral nuclear sclerotic cataract. METHODS: Twenty patients underwent bilateral cataract surgery within a one-month period...
October 12, 2016: Clinical & Experimental Ophthalmology
Machiko Shimmura-Tomita, Shigeto Shimmura, Kazuo Tsubota, Jun Shimazaki
BACKGROUND: Reports on keratoplasty by residents are rare compared to those on cataract surgery. The aim of this study was to compare the results and surgery time of penetrating keratoplasty performed by residents and an experienced cornea surgeon. METHODS: The medical records and surgery videos of the first 5 penetrating keratoplasty procedures by 4 residents were reviewed and compared with those in 20 penetrating keratoplasty procedures by an experienced cornea surgeon...
October 4, 2016: Journal of Surgical Education
Roberto Gonzalez-Salinas, Adriano Guarnieri, María Concepción Guirao Navarro, Manuel Saenz-de-Viteri
Cataract, a degradation of the optical quality of the crystalline lens, progressive and age-related, is the leading cause of treatable blindness worldwide. Cataract surgery is the most common surgical procedure performed by ophthalmologists and is the only effective treatment for cataracts. Advances in the surgical techniques and better postoperative visual outcomes have progressively changed the primary concern of cataract surgery to become a procedure refined to yield the best possible refractive results...
2016: Patient Preference and Adherence
Jacob B Gross, Garvin H Davis, Nicholas P Bell, Robert M Feldman, Lauren S Blieden
PURPOSE: To describe a new surgical technique to effectively close large (>180 degrees) cyclodialysis clefts. METHODS: Our method involves the use of procedures commonly associated with repair of retinal detachment and complex cataract extraction: phacoemulsification with placement of a capsular tension ring followed by pars plana vitrectomy and gas tamponade with light cryotherapy. We also used anterior segment optical coherence tomography (OCT) as a noninvasive mechanism to determine the extent of the clefts and compared those results with ultrasound biomicroscopy (UBM) and gonioscopy...
September 13, 2016: European Journal of Ophthalmology
J Thariat, S Racadot, Y Pointreau, P Boisselier, J-D Grange, P Graff, D C Weber
Radiation-induced damage of ocular, orbital and eyelid structures are mainly reported for the optic nerve, retina, lens and lacrimal gland. Dose-volume relationships are, however, inaccurate due to the small volume of most of the organs at risk involved and limited ability of irradiation techniques to spare these structures in the pre-IMRT (intensity-modulated radiation therapy) era. The ability of newest radiation techniques including IMRT and proton therapy to generate steep dose gradients may yield more accurate models in the future...
October 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
Hiroshi Takahashi
Phacoemulsification has become the most commonly used procedure in cataract surgery owing to the development of new devices and surgical techniques; however, corneal endothelial damage still represents a serious complication. Although several factors are known to cause corneal endothelial damage, effects of irrigating pressure and temperature rise in the anterior chamber should also be considered. Furthermore, free radical formation is another important harmful factor. Ultrasound in aqueous solution induces cavitation, which results in the formation of hydroxyl free radicals that damage the corneal endothelium...
November 2016: Cornea
Kevin Dunne, Alex J Buller
AIM: To describe a useful technique utilizing lens thickness from biometric data as well as phacoemulsification (phaco) probe tip dimensions, in order to more accurately determine safe groove depth during divide and conquer techniques for cataract surgery. METHODS: Single center, selection of patients for cataract surgery deemed low risk and suitable for surgical teaching cases. Individual lens thickness measurements from biometry were calculated with known phaco tip dimensions to give an individualized safe number of phaco tip depths for grooving during divide and conquer...
2016: Clinical Ophthalmology
Pedro Vazquez-Ferreiro, Francisco J Carrera-Hueso, Narjis Fikri-Benbrahim, Lidia Barreiro-Rodriguez, Marta Diaz-Rey, María Auxiliadora Ramón Barrios
PURPOSE: To evaluate the impact of pseudoexfoliation syndrome on intraocular lens (IOL) dislocation after phacoemulsification cataract surgery and explore possible associations related to surgical technique. METHODS: We systematically searched the MEDLINE, Embase, Web of Science, Cochrane, and Lilacs databases and grey literature sources and identified (on March 1, 2016) 14 cohort and case-control studies comparing IOL dislocation in patients with and without pseudoexfoliation syndrome who had undergone phacoemulsification...
August 29, 2016: Acta Ophthalmologica
Hong-Wei Zhou, Li-Xin Xie
BACKGROUND: The endothelium should be carefully evaluated when choosing a surgical technique for cataract removal. Therefore, we aimed to study the effects of different cataract surgery techniques on endothelial cell loss in transplanted corneal grafts. METHODS: A total of 54 patients who received complicated cataract surgery in post-penetrating keratoplasty (PKP) eyes at the Shandong Eye Institute between February 2001 and June 2014 were included, and clinical records were reviewed...
2016: Chinese Medical Journal
Gaurav Kapoor, Sankalp Seth, T S Ahluwalia, S K Dhar
BACKGROUND: Comparing surgical outcomes of management of posterior polar cataract, a congenital cataract, which is difficult to manage surgically and has been associated with poor surgical outcomes. METHODS: 46 eyes of 38 patients with posterior polar cataract underwent phacoemulsification and PCIOL implantation. RESULTS: In a prospective analytical study, 46 eyes of 38 patients with posterior polar cataracts underwent surgery at a zonal hospital of the armed forces...
July 2016: Medical Journal, Armed Forces India
Boris Malyugin, Nikolay Sobolev, Lisa B Arbisser, Natalia Anisimova
UNLABELLED: We developed a surgical technique that combines use of an iris hook and a pupil expansion ring in femtosecond laser-assisted cataract surgery complicated by insufficient mydriasis and an ectopic pupil. With this technique, the surgery, including femtosecond laser assistance, phacoemulsification, and intraocular lens implantation, can be accomplished successfully prior to iris repair. FINANCIAL DISCLOSURE: Dr. Malyugin receives travel grants from Alcon Laboratories, Inc...
August 2016: Journal of Cataract and Refractive Surgery
Meenakshi Swaminathan, Srikanth Ramasubramanian, Rachel Pilling, Junhong Li, Karl Golnik
Pediatric cataract surgical skill assessment is important to ensure the competency of the trainees, especially pediatric ophthalmology fellows. Using a rubric would ensure objectivity in this process. The ICO-OSCAR pediatric cataract surgery rubric has been developed with global variations in techniques of pediatric cataract surgery in mind.
August 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
Alexander C Day, Daniel M Gore, Catey Bunce, Jennifer R Evans
BACKGROUND: Cataract is the leading cause of blindness in the world, and cataract surgery is one of the most commonly performed operations in the Western world. Preferred surgical techniques have changed dramatically over the past half century with associated improvements in outcomes and safety. Femtosecond laser platforms that can accurately and reproducibly perform key steps in cataract surgery, including corneal incisions, capsulotomy and lens fragmentation, are now available. The potential advantages of laser-assisted surgery are broad, and include greater safety and better visual outcomes through greater precision and reproducibility...
2016: Cochrane Database of Systematic Reviews
Rikiya Tamaki, Masahiko Gosho, Kyoichi Mizumoto, Nahoko Kato, Masahiro Zako
BACKGROUND: Ptosis incidence following cataract surgery is reduced with a recently developed phacoemulsification technique using a small incision. However, it remains uncertain whether an upper transconjunctival sclerocorneal incision can cause minor blepharoptosis. In the present prospective study, patients underwent cataract surgery with either an upper or temporal 2.4-mm transconjunctival sclerocorneal incision. We measured the marginal reflex distance 1 (MRD1) preoperatively and postoperatively, and compared these measurements between the two different incision types...
2016: BMC Ophthalmology
Gian Maria Cavallini, Tommaso Verdina, Matteo Forlini, Veronica Volante, Michele De Maria, Giulio Torlai, Caterina Benatti, Giancarlo Delvecchio
PURPOSE: To determine the efficacy of bimanual microincision cataract surgery (B-MICS) performed by surgeons in training, evaluating clinical results, posterior capsule opacification (PCO) incidence, and clear corneal incision (CCI) architecture in a long-term follow-up and comparing results with those obtained by experienced surgeons. PATIENTS AND METHODS: Eighty eyes of 62 patients operated on by three surgeons in training who used B-MICS technique for the first time were included in the study (Group A)...
2016: Clinical Ophthalmology
Rozina Noristani, Tim Schultz, H Burkhard Dick
PURPOSE: To determine the efficacy of femtosecond laser-assisted cataract surgery in eyes with radial keratometry. METHODS: Femtosecond laser-assisted cataract surgery was performed in 3 patients (6 eyes) who had six to eight radial keratotomy incisions. RESULTS: In all cases, the anterior segment of the eye was visualized with integrated three-dimensional optical coherence tomography and it was possible to position the laser corneal incisions between the radial keratotomy incisions...
June 1, 2016: Journal of Refractive Surgery
Mariya Moosajee, Dhani Tracey-White, Richard P Harbottle, Veronica Ferguson
PURPOSE: The use of sutureless clear corneal incisions (CCIs) for phacoemulsification is an established surgical technique, but the dynamic morphology of the wound and poor construction can lead to an increased risk of postoperative endophthalmitis. Stromal hydration with balanced salt solution (BSS) can improve the self-sealing status. Intracameral cefuroxime has reduced endophthalmitis rates. This study investigates the safety profile of stromal hydration with cefuroxime, as sequestering antibiotic at the wound may potentially provide added protection against infection...
September 2016: Journal of Ocular Pharmacology and Therapeutics
Allister Gibbons
PURPOSE: We report the surgical management of a patient with glaucoma undergoing cataract surgery with high preexisting astigmatism. A combination of techniques was employed for her astigmatism management. METHODS: A 76-year-old female with 5.5 dpt of corneal astigmatism underwent surgery in her left eye consisting of one-site trabeculectomy, phacoemulsification, toric intraocular lens implantation and a single inferior limbal-relaxing incision. RESULTS: Intraocular pressure control was achieved with no medication at 11 mm Hg; before the filtering procedure, the pressure was 16 mm Hg on two topical drugs...
January 2016: Case Reports in Ophthalmology
Mehmet Ali Sekeroglu, Mustafa Alpaslan Anayol, Fatih Koc, Hakan Tirhis, Seyhan Sonar Ozkan, Pelin Yilmazbas
PURPOSE: To report the therapeutic efficacy of an accidentally injected intralenticular sustained-release dexamethasone implant in a patient with macular edema secondary to branch retinal vein occlusion and shortly discuss the management strategy of this rare complication. METHODS: Complete ophthalmological examination and optical coherence tomography imaging were performed at each visit. RESULTS: The implant accidentally caused a posterior capsular tear during the procedure and was injected into the crystalline lens because of an involuntary head movement of the patient...
January 2016: Case Reports in Ophthalmology
S Bilgin, O Kayikcioglu
PurposeTo present an alternative cataract surgical technique in patients with cataract and intravitreal hemorrhage.MethodsTwelve cases with poor fundus reflex caused by severe vitreus hemorrhage were included in the study. All patients underwent combined phaco surgery and 23-gauge vitrectomy. Chandelier retroillumination was inserted into the infusion trochar during the cataract operations and was used with low power (50-75%) in necessary steps.ResultsWe did not experience phaco complications or complications due to technique during surgery...
August 2016: Eye
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