Search results for "Miopia"

showing 4 items of 4 documents

Refractive lens exchange with a multifocal diffractive aspheric intraocular lens

2012

PURPOSE: To evaluate the safety, efficacy and predictability after refractive lens exchange with multifocal diffractive aspheric intraocular lens implantation. METHODS: Sixty eyes of 30 patients underwent bilateral implantation with AcrySof® ReSTOR® SN6AD3 intraocular lens with +4.00 D near addition. Patients were divided into myopic and hyperopic groups. Monocular best corrected visual acuity at distance and near and monocular uncorrected visual acuity at distance and near were measured before and 6 months postoperatively. RESULTS: After surgery, uncorrected visual acuity was 0.08 ± 0.15 and 0.11 ± 0.14 logMAR for the myopic and hyperopic groups, respectively (50% and 46.67% of patients ha…

MaleVisual acuitygenetic structuresDesenho de prótesesmedicine.medical_treatmentVisual AcuityEmmetropiaIntraocular lensProsthesis designMyopia/surgerylaw.inventionNear visionLens Implantation Intraocularlcsh:OphthalmologylawTonometry ocularMyopiaProspective StudiesLenses IntraocularLens crystalline/surgeryAcuidade visualGeneral MedicineMiddle AgedLens (optics)HyperopiaTreatment OutcomeFemalemedicine.symptomLens crystallinemedicine.medical_specialtyVisual acuityMiopiaRefractive lens exchangeProsthesis DesignStatistics NonparametricOphthalmologyLens CrystallinemedicineHumansHyperopia/physiopathologyHipermetropiaCristalinoAgedPhacoemulsificationbusiness.industryReproducibility of ResultsPhacoemulsificationPresbyopiamedicine.diseaseeye diseasesOphthalmologyLens implantation intraocularlcsh:RE1-994OptometryImplantação de lentes intraocularessense organsbusinessArquivos Brasileiros de Oftalmologia
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Implantable collamer lens and femtosecond laser for myopia: comparison using an adaptive optics visual simulator.

2014

Purpose: To compare optical and visual quality of implantable collamer lens (ICL) implantation and femtosecond laser in situ keratomileusis (F-LASIK) for myopia. Methods: The CRX1 adaptive optics visual simulator (Imagine Eyes, Orsay, France) was used to simulate the wavefront aberration pattern after the two surgical procedures for -3-diopter (D) and -6-D myopia. Visual acuity at different contrasts and contrast sensitivities at 10, 20, and 25 cycles/degree (cpd) were measured for 3-mm and 5-mm pupils. The modulation transfer function (MTF) and point spread function (PSF) were calculated for 5-mm pupils. Results: F-LASIK MTF was worse than ICL MTF, which was close to diffraction-limited MT…

Point spread functionAdultLaser de excimerPhakic Intraocular LensesVisual acuityVisual acuitymedicine.medical_treatmentKeratomileusis Laser In SituLentes intraoculares; Sensibilidade de contrasteVisual AcuityCeratomileuse assistida por excimer laser in situ/métodosKeratomileusisPhakic intraocular lensMyopia/surgeryPupilKeratomileusis laser in situ/methodsContrast SensitivityYoung Adultlcsh:OphthalmologyLens Implantation IntraocularOptical transfer functionmedicineMyopiaHumansComputer SimulationContrast sensitivityAdaptive opticsSimulationPhysicsLasers excimer/therapeutic useAcuidade visualAberrometryAccommodation OcularGeneral MedicineOphthalmologyTreatment Outcomelcsh:RE1-994Lenses intraocularMiopia/cirurgiaOptometrySpatial frequencymedicine.symptomArquivos brasileiros de oftalmologia
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Estudio a largo plazo descriptivo, morfológico y funcional acerca de los resultados obtenidos con la lente fáquica “Implantable Collamer Lens (ICLTM)…

2013

INTRODUCCIÓN: pese a que el tratamiento habitual para la corrección quirúrgica de la miopía consiste en la fotoablación corneal con láser excímer, determinadas circunstancias como un espesor corneal insuficiente, astigmatismos irregulares, disminución de la calidad de visión, conducen a una indicación de cirugía mediante el implante de lentes intraoculares fáquicas. La conservación de la capacidad de acomodación hace que este tipo de lentes sea la única alternativa aceptable para la corrección de la gran mayoría de las altas ametropías en el paciente joven. La lente implantable de colámero (ICL) es una lente fáquica de cámara posterior ideada para la corrección de defectos refractivos eleva…

UNESCO::FÍSICA::Óptica:FÍSICA::Óptica [UNESCO]Miopia
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Pràctica 2: Miopia

2021

El document forma part dels materials docents programats mitjançant l'ajut del Servei de Política Lingüística de la Universitat de València Guió de la segona pràctica de l'assignatura d'Òptica Fisiològica del Grau d'Òptica i Optometria de la Universitat de València Script of the second practice of Physiological Optics subject of the Optics and Optometry Degree of the University of Valencia

refractivaUNESCO::FÍSICAaxialmiopia
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