Browsing by Subject "Eye--Accommodation and refraction"
Now showing items 1-20 of 61
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La aberración cromática en lentes intraoculares multifocales difractivas
(Universitat Politècnica de Catalunya, 2014-06-19)
Master thesis
Restricted access - confidentiality agreement -
Age-related changes in accommodation measured with a double-pass system
(2013-07)
Article
Restricted access - publisher's policy -
Análisis de los cambios en la refracción periférica de miopes bajos con ortoqueratología nocturna en función del diámetro de la zona óptica de la lente
(Universitat Politècnica de Catalunya, 2014-07-01)
Master thesis
Open AccessINTRODUCCIÓN: La ortoqueratología es uno de los métodos usados para controlar el avance de la miopía en niños y adolescentes, siendo más efectiva en miopías medias/altas que en miopías bajas, probablemente a causa del ... -
Binocular vision alterations after refractive and cataract surgery: a review
(2018-09-03)
Article
Restricted access - publisher's policy -
Blink rate and incomplete blinks in six different controlled hard-copy and electronic reading conditions
(2015-10)
Article
Open AccessPurpose: to evaluate spontaneous blink rate (SEBR) and percentage of incomplete blinks in different hard-copy and visual display terminal (VDT) reading conditions, as compared with baseline conditions. Methods: A sample ... -
Caracterització del PowerRef II com a equip per a la mesura de les fluctuacions acomodatives de l'ull
(Universitat Politècnica de Catalunya, 2014-06)
Master thesis
Open AccessLa Miopia és un dels trastorns més comuns de l'ull humà i la seva prevalença està en augment. Segons la literatura, el sistema acomodatiu pot ser un possible causant de la progressió miòpica. Els objectius del treball han ... -
Changes in peripheral refraction, higher-order aberrations, and accommodative lag with a radial refractive gradient contact lens in young myopes
(Lippincott Williams & Wilkins, 2016-01-22)
Article
Open AccessPurpose: To evaluate changes in the peripheral refraction (PR), visual quality, and accommodative lag with a novel soft radial refractive gradient (SRRG) experimental contact lens that produces peripheral myopic ... -
Characterization of speckle patterns generated by a semiconductor laser with optical feedback for speckle reduction in retinal imaging instruments
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
Conference lecture
Restricted access - publisher's policyWe study experimentally the operating conditions of a semiconductor laser diode subjected to different amounts of optical feedback in order to find a stable and cost-efficient solution for speckle reduction in double-pass ... -
Clinical evaluation of an automated subjective refraction method implemented in a computer-controlled motorized phoropter
(Elsevier, 2018-10-01)
Article
Open AccessPurpose To investigate a new algorithm to perform an automated non-cycloplegic refraction in adults. Methods Fifty healthy subjects were measured twice (test–retest) with the new automated subjective refraction method ... -
Comparativa del impedimento visual en muestras de etnias diferentes
(Universitat Politècnica de Catalunya, 2015-10-22)
Master thesis
Open AccessEl impedimento visual se presenta más frecuentemente dentro de colectivos socialmente desfavorecidos. La etnia gitana posee unas características socioeconómicas y culturales particulares que la diferencian de la población ... -
Comparing autorefractors for measurement of accommodation
(2015-10-01)
Article
Open AccessPurpose To compare the static and dynamic accommodative responses measured with the WAM-5500 and the PowerRef-II autorefractors.; Methods The dynamic and static monocular accommodative responses were measured with the ... -
Comparison of the Adaptive Optics Vision Analyzer and the KR-1 W for measuring ocular wave aberrations
(2016-07-19)
Article
Open Access -
Criteris de prescripció refractiva en hipermetropia moderada per preescolars
(Universitat Politècnica de Catalunya, 2020-07)
Bachelor thesis
Open Access
Covenantee: Università degli Studi di Milano-BicoccaIntroducció: Els criteris per a la prescripció refractiva en infants preescolars hipermetrops no són universals i de vegades resulten controvertits. La hipocorrecció és el criteri de prescripció tradicional en els casos ... -
Derivation of the propagation equations for higher order aberrations of local wavefronts
(2011-12)
Article
Open Access -
Diferències en el nistagmus optocinètic en estudiants universitaris amb problemes d’eficàcia visual
(Universitat Politècnica de Catalunya, 2013-07-02)
Master thesis
Open AccessEn aquest treball, explorem les possibles utilitats de l’anàlisi del Nistagmus Optocinètic (OKN) com a mètode de detecció de problemes d’eficàcia visual. El mètode emprat és l’enregistrament d’imatges de vídeo amb una ... -
Disfunciones visuo-perceptivas, oculomotoras, acomodativas y binoculares en niños con trastornos por déficit de atención e hiperactividad
(Universitat Politècnica de Catalunya, 2009-06-29)
Master thesis
Open AccessAlgunos niños presentan comportamientos específicos de falta de atención y concentración, hiperactividad e impulsividad, que encontramos en un trastorno psicológico, denominado, Trastorno por déficit de atención e ... -
Does the Badal optometer stimulate accommodation accurately?
(2016-10-23)
Article
Open Access -
Effect of apparent depth cues on accommodation in a Badal optometer
(2017-11-01)
Article
Open AccessBackground: The aim was to analyse the effect of peripheral depth cues on accommodation in Badal optometers. Methods: Monocular refractions at 0.17 and 5.00 D of accommodative stimulus were measured with the PowerRef ... -
Effect of Experimental Conditions in the Accommodation Response in Myopia
(2017-10-19)
Article
Open AccessSIGNIFICANCE The accommodative response is more affected by the type of refractive error than the method of stimulation, field of view (FOV), or stimulus depth. PURPOSE This study aims to analyze the effect of stimulation ... -
Effects of transient blur and VDT screen luminance changes on eyeblink rate
(2014)
Article
Open AccessPurpose A study was designed to evaluate the efficacy of three different strategies aiming at increasing spontaneous eyeblink rate (SEBR) during computer use. Methods A total of 12 subjects (5 female) with a mean age ...
