نتایج جستجو برای: intraocular lens

تعداد نتایج: 64534  

Journal: :Revista Brasileira De Oftalmologia 2023

This 30-year-old patient had a high myopia and with-the-rule astigmatism. Her best-corrected-visual-acuity was 20/20 with -6.75 -2.50 x 10. cornea an asymmetric bowtie, we were concerned laser vision correction. We then decided to implant toric phakic intraocular lens (Visian ICL® toric) and, 1 week after surgery, she J1 uncorrected. Note the central anterior vaulting of away from crystalline l...

Journal: :medical hypothesis, discovery and innovation ophthalmology journal 0
pedro s simãµes egas moniz hospital, lisbon, portugal tiago b ferreira egas moniz hospital, lisbon, portugal

implantation of intraocular lens with iris-fixation is a safe, efficient and predictable surgical procedure, which empowers the refractive surgeon with singular capabilities. among their advantages are the reversibility, preservation of accommodation and a broad spectrum of ametropic correction. this lens also appears to be a valid option, with a favorable complication rate, for the treatment o...

Journal: :Japanese journal of ophthalmology 1997
H Aonuma H Matsushita K Nakajima K Tsushima M Ueno T Nagata

Two years after uneventful phacoemulsification with posterior intraocular lens implant in an 84-year-old female patient, the capsular bag and enclosed intraocular lens luxated into the vitreous cavity. A vitrectomy was done to extract the lens and capsule for electron-microscopic examination. We found very few zonular attachments to the capsule, but did note hexagonal structures of unknown sign...

Journal: :Clinical Ophthalmology 2013

Journal: :Clinical and Experimental Optometry 1998

C. Evereklioğlu M. Kibar, Z. Doğan

The aim of this study was to report a new cause of cataract, namely snake bite induced cataract in a dog. A 3-year-old male mongrel dog was referred to our clinic for the assessment of cataract in both eyes. The dog was bitten by a snake nearly 4 months ago. A 40 dioptre acrylic lens with 13 mm haptics was implanted into the lens capsule. In the left eye, posterior synechia was detected in the ...

عسگری, اعظم, پرچ, علی اصغر, کشاورزی, کیخسرو,

Introduction: With the growing and rapid development of refractive surgery, researches focus increasingly on improvement of visual quality after cataract surgery. Intraocular lenses (IOLs) were a successful effort in the field of cataract surgery. Despite significant advances in cataract surgery, several complications related to surgical technique and IOL design after surgery can cause vision c...

Journal: :Arquivos brasileiros de oftalmologia 2008
Alejandra de-la-Torre Christian Adrián López-Castillo Javier Andrés Bernal-Urrego Juan Pablo Sinisterra-Pava Jorge Enrique Gómez-Marín

We report two cases of postoperative Alcaligenes xylosoxidans endophthalmitis. A 78-year-old woman in good general health developed A. xylosoxidans endophthalmitis one month after an uncomplicated phacoemulsification procedure with posterior chamber intraocular lens. It was performed on her left eye, at another institution. Removal of the intraocular lens and capsule was performed because of re...

Journal: :Optics express 2011
Sergio Barbero Susana Marcos Javier Montejo Carlos Dorronsoro

A new and complete methodology of monofocal intraocular lens (IOL) design is presented aiming at isoplanatism, i.e. IOLs that provide the eye with optimized optical quality over a wide field of view (typically in a range of ten degrees). The methodology uses a merit function considering dimensional and biomechanical constraints, and a geometrical optical quality metric that is evaluated simulta...

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