Results 211 to 220 of about 84,460 (255)
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Cytopathology of Intraocular Lens Implantation
Ophthalmology, 1985The cytopathology of intraocular lens (IOL) following implantation is reviewed. A newly placed implant attracts macrophages and these settle on its surfaces to form optically clear membranes composed of so-called fibroblast-like cells and a film of proteinaceous material. The membranes apparently become tougher and more firmly adherent with time.
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Bag-in-the-lens implantation of intraocular lenses
Journal of Cataract and Refractive Surgery, 2002To report a new intraocular lens (IOL) and an IOL implantation concept, the bag-in-the-lens implantation technique, designed to prevent posterior capsule opacification (PCO).The University of Antwerp, Department of Ophthalmology, Edegem, Belgium, and the Netherlands Ophthalmic Research Institute, Department of Morphology, Amsterdam, The Netherlands ...
Tassignon, Marie-José +2 more
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Intraocular Lens Implantation: A Review
Artificial Organs, 1978ABSTRACTIntraocular lens implantation has been developing over the past 15 years in Europe and is now becoming popular in the United States. Lens materials and designs as well as surgical techniques are still being evaluated. The overall results are excellent, with a small increase in complications being the price paid for a dramatic increase in visual
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Tinting of Intraocular Lens Implants
Archives of Ophthalmology, 1982Intraocular lens (IOL) implants of polymethyl methacrylate (PMMA) lack an important yellow pigment useful as a filter in the visual process and in the protection of the retina from short-wavelength radiant energy. The ability to produce a yellow pigment in the PMMA used in IOL implants by exposure to near-ultraviolet (UV) light was tested. It was found
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Intraocular lens implantation in microphthalmic patients
Journal of Cataract and Refractive Surgery, 1992Microphthalmos is a developmental disorder of the eye consisting of a smaller than normal eye. This disorder can present as an isolated condition or associated with other systemic alterations. It is not uncommon for patients with microphthalmos to have congenital cataracts along with other ocular and systemic abnormalities.
Pranav Amin +2 more
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Intraocular lens implantation and high myopia
Journal of Cataract and Refractive Surgery, 1988We evaluated aphakia and pseudophakia in highly myopic patients whose axial lengths were 27 mm and over. Cataract surgery alone was performed on 99 eyes (aphakic group) and intraocular lens (IOL) implantation was performed on 84 eyes (pseudophakic group). The IOL power was determined by the SRK formula and ranged from +9.0 to +18.5 diopters (D).
Akimune Gon +4 more
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Secondary Intraocular Lens Implantation
Ophthalmic Surgery, Lasers and Imaging Retina, 1977SUMMARY Mere aphakia is not an indication for secondary intraocular lens implantation. However, many patients with positive indications may be benefited most strikingly by this procedure. These indications are illustrated and results of the author's first 65 secondary implantations are analyzed.
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Journal of refractive surgery, 2014
PURPOSE To evaluate refractive and visual outcomes of secondary piggyback intraocular lens implantation in patients diagnosed as having residual ametropia following segmental multifocal lens implantation.
J. Venter +3 more
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PURPOSE To evaluate refractive and visual outcomes of secondary piggyback intraocular lens implantation in patients diagnosed as having residual ametropia following segmental multifocal lens implantation.
J. Venter +3 more
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Journal of refractive surgery, 2014
PURPOSE To evaluate the influencing factors on remaining astigmatism after implanting a toric intraocular lens during cataract surgery. METHODS In this observational study, consecutive patients with cataract from three different centers who received ...
N. Hirnschall +4 more
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PURPOSE To evaluate the influencing factors on remaining astigmatism after implanting a toric intraocular lens during cataract surgery. METHODS In this observational study, consecutive patients with cataract from three different centers who received ...
N. Hirnschall +4 more
semanticscholar +1 more source
Intraocular lens calculation formulas for new intraocular lens implants
Journal of Cataract and Refractive Surgery, 1987Several different formulas are available for preoperative calculation of the required implant power for a desired postoperative refraction. However, the application of both theoretical and statistically derived regression formulas to the new generation of soft intraocular lens implants poses several difficulties.
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