Results 131 to 140 of about 49,042 (227)

Visual Function after Implantation of a Presbyopia-Correcting Trifocal Intraocular Lens

open access: yesOphthalmic Research, 2019
<b><i>Purpose:</i></b> To evaluate distance, intermediate, and near visual performance in patients implanted with a trifocal aspheric presbyopia-correcting intraocular lens (IOL). <b><i>Methods:</i></b> Forty patients were bilaterally implanted with the AcrySofIQ PanOptix IOL after femtosecond laser ...
José F, Alfonso   +3 more
openaire   +2 more sources

Clinical outcomes following trifocal diffractive intraocular lens implantation for age-related cataract in China

open access: yesClinical Ophthalmology, 2018
Yang Yang, Huibin Lv, Yuexin Wang, Xiaodan Jiang, Mingzhou Zhang, Xuemin Li Department of Ophthalmology, Peking University Third Hospital, Beijing, China Purpose: The aim of this study was to evaluate visual, refractive and patient satisfaction ...
Yang Y   +5 more
doaj  

Astigmatism and Pseudoaccommodation in Pseudophakic Eyes [PDF]

open access: yes, 2010
noAdvanced IOLs with circumferential zones of different power provide pseudoaccommodation. We investigated the potential for power variation with meridian, namely astigmatism, to provide pseudo-accommodation. With appropriate power and axis orientations,
Chisholm, Catharine M.   +2 more
core  

Multifocal diffractive lens generating several fixed foci at different design wavelengths [PDF]

open access: yes, 2018
We propose a method for designing multifocal diffractive lenses generating prescribed sets of foci with fixed positions at several different wavelengths.
Bezus, Evgeni A.   +5 more
core   +4 more sources

Comparison of Two Presbyopia-Correcting Trifocal Intraocular Lenses: A Prospective Study

open access: yesTürk Oftalmoloji Dergisi
Objectives: To evaluate the clinical results of a new trifocal intraocular lens (IOL) with sinusoidal design by comparing with a traditional trifocal IOL.
Hasan Ali Bayhan   +4 more
doaj   +1 more source

Новый подход к проектированию интраокулярных линз [PDF]

open access: yes, 2015
Стаття присвячена теоретичному обґрунтуванню нового підходу до проектування мультифокальних інтраокулярних лінз (ІОЛ) із виправленою хроматичною аберацією.
Kolobrodov, V. G.   +8 more
core  

Trifocal Intraocular Lens Implantation to Treat Visual Demands in Mongolian Patients [PDF]

open access: yes, 2022
Objective: Intraocular lens (IOL) implants are artificial lenses which helps to clear up the vision after cataract surgery. In this work, we aimed to compare the monofocal and trifocal IOL implantation during phacoemulsification.
Davaatseren, Uranchimeg   +2 more
core   +1 more source

Medida de la transmitancia de lentes intraoculares [PDF]

open access: yes, 2016
PROPÓSITO: obtener el espectro de transmitancia para 8 modelos distintos de lentes intraoculares: 3 con filtro para la radiación UV y 5 para la luz azul.
Rodríguez Tejerina, María Consuelo
core  

Systematic bibliometric analysis of research hotspots and trends on the application of premium IOLs in the past 2 decades [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To analysis of research hotspots and trends on the application of premium intraocular lens (PIOLs) in the past 2 decades. METHODS: The literature search was performed on the Web of Science and included PIOLs studies published between January 2000 ...
Liang-Pin Li   +4 more
doaj   +1 more source

Метод оценки модуляционной передаточной функции трифокальной интраокулярной линзы [PDF]

open access: yes, 2014
Стаття присвячена дослідженню якості зображень, сформованих мультифокальними оптичними елементами. Запропоновано метод розрахунку модуляційної передавальної функції (МПФ) мультифокальної дифракційної лінзи за наявності фону.
Kolobrodov, V. G.   +11 more
core  

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