Results 271 to 280 of about 691,749 (321)
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A Comparative Evaluation of a New Generation of Diffractive Trifocal and Extended Depth of Focus Intraocular Lenses.

Journal of refractive surgery, 2018
PURPOSE To evaluate and compare the performance of two diffractive trifocal and one extended depth of focus (EDOF) intraocular lenses (IOLs). METHODS In this 6-month, single-center, prospective, randomized, comparative study, patients undergoing ...
B. Cochener   +3 more
semanticscholar   +1 more source

Extended depth of focus intraocular lenses for presbyopia

Current Opinion in Ophthalmology, 2018
Purpose of review To summarize the various extended depth of focus (EDOF) intraocular lenses currently available to patients and to describe visual outcomes and patient satisfaction.
Sruti S. Akella, V. Juthani
semanticscholar   +1 more source

Phakic Intraocular Lenses

International Ophthalmology Clinics, 2010
The use of phakic intraocular lenses (PIOLs) is a small but emerging area in refractive surgery. For patients with high myopia and inadequate vision with glasses or intolerance to contact lenses, options are limited. Corneal refractive surgery such as LASIK can safely and reliably correct myopia up to approximately – 12 diopters, but at higher diopters
Grace C Chang, Roberto Pineda
openaire   +2 more sources

Intraocular lenses

Current Opinion in Ophthalmology, 1990
I have again reviewed the current state of the art in intraocular lens design in what has been a year of consolidation rather than dramatic discoveries. In foldable lenses, silicone reigns supreme, but there is the promising development of high-refractive-index foldable acrylic lenses.
openaire   +4 more sources

Intraocular lenses

Current Opinion in Ophthalmology, 1993
Cataract remains a major source of blindness in many countries throughout the world. Although modern medicine and technology have combined to provide an almost ideal solution, availability of modern cataract and lens implant surgery is restricted, even in developed nations. The health care "cake" is not always divided fairly in favor of ophthalmology
openaire   +3 more sources

Birefringence of intraocular lenses

Journal of Cataract and Refractive Surgery, 2004
To determine the polarization properties of intraocular lenses (IOLs) in vitro and whether these properties contribute to significant intraindividual differences in the optical performance of the eye, including retinal imaging.Tokyo Medical University, Shinjuku, Tokyo, Japan.The single-pass linear birefringence was evaluated at 546.5 nm for the central
Masahiko Usui   +5 more
openaire   +3 more sources

Multifocal intraocular lenses

Current Opinion In Ophthalmology, 1996
Since the publication of my last article in Current Opinion in Ophthalmology in 1991 (2:33-34), the use of multifocal intraocular lenses (IOLs) has not gained general acceptance among ophthalmologists. Despite this situation, major IOL companies have continued to invest in clinical trials of new designs.
openaire   +4 more sources

Intraocular Lenses in Children

International Ophthalmology Clinics, 1977
The intraocular lens offers an experimental alternative to be considered for the visual rehabilitation of children with traumatic or unilateral infantile cataracts. The disadvantages of aphakic spectacles or contact lenses and amblyopia have committed many of these eyes to the status of visual cripples.
openaire   +3 more sources

Phakic intraocular lenses

Current Opinion in Ophthalmology, 2008
Recent advances in the design and material of phakic intraocular lenses have made them very predictable, safe and effective. The use of these lenses in refractive surgery is expected to increase very significantly in the near future. The aim of this review is to update the reader regarding the recent advances reported on this topic during 2007.Several ...
Jay J. Meyer   +2 more
openaire   +2 more sources

Phakic intraocular lenses

Current Opinion in Ophthalmology, 2006
Laser in-situ keratomileusis has been tremendously successful in treating patients with mild and moderate ametropias. For patients with high degrees of refractive error, however, phakic intraocular lenses provide superior quality of vision without the risk of corneal ectasia.
Daniel H. Chang, Elizabeth A. Davis
openaire   +3 more sources

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