Multifocal spectral diffractive lens
نویسندگان
چکیده
منابع مشابه
Diffractive multifocal intraocular lens interferes with intraoperative view
We report an unusual finding during vitreous surgery in an eye implanted with a diffractive multifocal intraocular lens (IOL). A 70-year-old woman reported gradual visual deterioration to 20/40 in the left eye two and a half years after uneventful cataract surgery with implantation of a diffractive multifocal IOL. Funduscopic examination showed an epiretinal membrane (ERM) in the left eye. Incr...
متن کاملcontrast sensitivity after refractive lens exchange with a multifocal diffractive aspheric intraocular lens
purpose : to evaluate distance and near contrast sensitivity (cs) under photopic and mesopic conditions before and after refractive lens exchange (rle) and implantation of the aspheric acrysof restor (sn6ad3 model) intraocular lens (iol) methods : sixty eyes of 30 consecutive patients after rle underwent bilateral implantation with the aspheric acrysof restor iol. the patients sample was divide...
متن کاملContrast sensitivity after refractive lens exchange with a multifocal diffractive aspheric intraocular lens.
PURPOSE To evaluate distance and near contrast sensitivity (CS) under photopic and mesopic conditions before and after refractive lens exchange (RLE) and implantation of the aspheric AcrySofReSTOR (SN6AD3 model) intraocular lens (IOL). METHODS Seventy-four eyes of 37 patients after RLE underwent bilateral implantation with the aspheric AcrySof ReSTOR IOL. The patient sample was divided into m...
متن کاملoptics of diffractive multifocal iol
the diffractive multifocal iol provides simultaneous bifocal imaging by utilizing both diffractive and refractive optics. in both distant and near vision, there is a clear highly focused image on the retina. the second image is highly defocused, providing only faint background illumination. a small amount of the light goes to the higher orders of diffraction which are not perceptible by eyes. t...
متن کاملVisual Outcomes at 12 Months in Patients Following Implantation of a Diffractive Multifocal Intraocular Lens
INTRODUCTION The aim of this study was to assess distance, intermediate, and near visual acuity, contrast sensitivity, and patient satisfaction outcomes of a multifocal intraocular lens (IOL). METHODS This multicenter, prospective clinical study was conducted at seven study sites in Turkey. Patients who underwent bilateral cataract removal and implantation of a diffractive, acrylic, hydrophob...
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ژورنال
عنوان ژورنال: Computer Optics
سال: 2018
ISSN: 2412-6179,0134-2452
DOI: 10.18287/2412-6179-2018-42-2-219-226