نتایج جستجو برای: spheric intraocular lens

تعداد نتایج: 64746  

Journal: :Journal of cataract and refractive surgery 2014
Rosa Braga-Mele David Chang Steven Dewey Gary Foster Bonnie An Henderson Warren Hill Richard Hoffman Brian Little Nick Mamalis Thomas Oetting Donald Serafano Audrey Talley-Rostov Abhay Vasavada Sonia Yoo

UNLABELLED This article presents an extensive overview of best clinical practice pertaining to selection and use of multifocal intraocular lenses (IOLs) currently available in the United States. Relevant preoperative diagnostic evaluations, patient selection criteria, counseling, and managing expectations are reviewed, as well as how to approach patients with underlying ocular intricacies or ch...

Journal: :Current opinion in ophthalmology 2008
Mark Packer I Howard Fine Richard S Hoffman

In the current era of presbyopia-correcting intraocular lenses (IOLs), toric IOLs and aspheric IOL technology, the practice milieu is changing. Informed consent takes on newmeaning when the surgeon and the patient decide together which IOL technology represents the best fit for a particular life style and its visual demands. Customizing IOL choice is no longer optional; it is essential to the p...

2016
Rick Potvin Brent A Kramer David R Hardten John P Berdahl

PURPOSE To analyze intraocular lens (IOL) orientation data from an online toric back-calculator (astigmatismfix.com) for determining if differences were apparent by lens type. METHODS A retrospective review of astigmatismfix.com toric back-calculations that included IOL identification and intended orientation axis. RESULTS Of 12,812 total validated calculation records, 8,229 included intend...

Journal: :Journal of cataract and refractive surgery 2014
Noel Alpins James K Y Ong George Stamatelatos

PURPOSE To determine the refractive cylinder effect of rotating a toric intraocular lens (IOL) and identify the sources of refractive astigmatic surprise after toric IOL implantation. SETTING Private practice, Melbourne, Australia. DESIGN Experimental study. METHODS Vergence formulas using a standard reduced eye model were used to bring all lens powers to the corneal plane. Double-angle v...

2009
Marcony Rodrigues de Santhiago Marcelo Vieira Netto Jackson Barreto Beatriz de Abreu Fiuza Gomes Arthur Schaefer Newton Kara-Junior

PURPOSE To evaluate intraindividual visual acuity, wavefront errors and modulation transfer functions in patients implanted with two diffractive multifocal intraocular lenses. METHODS This prospective study examined 40 eyes of 20 cataract patients who underwent phacoemulsification and implantation of a spherical multifocal ReSTOR intraocular lens in one eye and an aspheric Tecnis ZM900 multif...

Journal: :The British journal of ophthalmology 1985
M S McMahon J S Weiss K G Riedel D M Albert

We describe the histopathological findings of an enucleation specimen from a clinically undiagnosed case of phacoanaphylaxis which occurred after extracapsular cataract extraction with intraocular lens implantation. Phacoanaphylaxis, a granulomatous inflammatory response to liberated lens protein, is potentially curable by prompt removal of residual lens material. This case emphasises that the ...

2009
Dong-Hoon Lee Sang-Hoon Rah Ie-Na Yoon

A 32-year-old female who had undergone the silicone oil removal procedure presented with visual disturbance in her left eye. Several months previous, she had cataract surgery in a private clinic, and a month later she had a Nd:YAG laser procedure for posterior capsulotomy. The slit-lamp examination revealed silicone oil droplets that had adhered to the intraocular lens where the posterior capsu...

2011
Peter Morgan-Warren Avinash Manna

A 74-year-old man presented to the ophthalmology outpatient clinic with reduced visual acuity and increasing haziness of vision in his left eye over several months. Seven years previously he had undergone uneventful cataract surgery with phacoemulsification and insertion of a posterior chamber lens (+14.5 dioptres Alcon MA60BM, 6.0 mm optic) in the same eye. There had been no postoperative comp...

2005
Ahmed Shoeir

Intraocular surgical procedures in general and filtering surgery in particular, predispose to cataract formation or accelerate pre-existing lens opacification thus the management of a visually significant cataract in a glaucoma patient who has had a previous trabeculectomy is a common clinical challenge, with the possibility that the intraocular surgery might result in filtration failure and lo...

Journal: :Archives of ophthalmology 2007
Arie Y Nemet Judith Raz Dan Sachs Ronit Friling Ron Neuman Michal Kramer Suresh K Pandi Vidushi Sharma Ehud I Assia

OBJECTIVE To evaluate the visual outcome and postoperative complications of cataract surgery with posterior chamber intraocular lens implantation in children with uveitis. DESIGN A multicenter, retrospective, interventional case series. The setting included 3 medical centers in Israel. The interventions were cataract surgery and intraocular lens implantation. Aggressive preoperative and posto...

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