نتایج جستجو برای: intraocular lenses

تعداد نتایج: 31100  

2013
Y. Ralph Chu

With continued improvements in surgical techniques, biometry, and intraocular lens (IOL) technology, cataract surgeons have for some time been capable of consistently achieving highly accurate quantitative refractive results following cataract/lens replacement surgery. We know we can improve an individual’s vision from 20/400 to 20/20, for example. The modern cataract surgeon, however, is now e...

2010
Ayman Shouman Mohamed Marzouk Hesham Ali

Background: The 1ry indication for scleral fixation of intraocular lenses (IOL) is dislocation as a principal complication of cataract surgery. Inadequate capsular support is the most common cause of IOL dislocation. Other indications include traumatic phakic lens dislocation (cataractous or clear), surgically aphakic eyes or anterior chamber IOL with complications (persistent hyphema, uveitis)...

2012

To the Editor: I read the recent article by Colin and Orignac,1 which appeared in the December 2011 issue of the Journal of Refractive Surgery, with great interest. Of particular note were the data presented on the effect of glistenings on straylight as measured by the C-Quant device (Oculus Optikgeräte GmbH, Wetzlar, Germany). The data presented vary with data previously presented by the autho...

Journal: :Ophthalmology clinics of North America 2006
Stephen S Lane Mike Morris Lee Nordan Mark Packer Nicholas Tarantino R Bruce Wallace

This article reviews clinical and optical data for three unique lens designs: the ReSTOR diffractive intraocular lens (IOL), the Vision Membrane, and the ReZOOM refractive multifocal IOL.

2011
Clara González-Chomón Angel Concheiro Carmen Alvarez-Lorenzo

Notable advances in materials science and in surgical techniques make the management of cataract by replacement of the opaque crystalline with an intraocular lens (IOL), one of the most cost-effective interventions in current healthcare. The usefulness and safety of IOLs can be enhanced if they are endowed with the ability to load and to sustain drug release in the implantation site. Drug-eluti...

Journal: :Journal of cataract and refractive surgery 2013
Peter C Hoffmann Christoph R Lindemann

PURPOSE To evaluate the possible benefits of biometry and ray-tracing intraocular lens (IOL) calculation for aspheric aberration-correcting IOLs. SETTING Private eye clinic in Germany. DESIGN Retrospective consecutive case series. METHODS Eyes with 3 different aberration-correcting IOLs were reviewed. Before surgery, the axial length, corneal thickness, anterior chamber depth, crystalline...

2012
Gonzalo Muñoz

To the Editor: I commend Munoz et al on their well-designed and well-conducted study on the clinical effect of a combination of multifocal intraocular lenses (MIOL) including the newest rotationally asymmetric MIOL, which appeared in the March 2012 issue of the Journal of Refractive Surgery.1 They found that contrast sensitivity was comparable to that achievable with a monofocal implant and, re...

Journal: :The British journal of ophthalmology 1984
G C Vafidis R J Marsh A R Stacey

One hundred sterile intraocular lenses were placed on the external eye of 50 patients during cataract surgery. Half of the specimens were cultured for bacteria, the other half were examined under the light microscope after fixing and staining. A bacterial contamination rate of 26% was recorded. This is significantly higher than that found in conjunctival swabs (6%) or irrigation specimens (8%) ...

2013
Ahmad M. Mansour Shady T. Awwad

We present a case of fulminant panuveitis following iris suture fixation of a posterior chamber intraocular lens. We hypothesize that the zonular dehiscence allowed the inflammatory cells in the anterior compartment to gain access to the posterior segment mimicking endophthalmitis or toxic anterior segment syndrome. Also certain bulky lens designs, like the current Rayner hydrophilic acrylic le...

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