Exploració per tema "Ulls -- Malalties i defectes"
Ara es mostren els items 21-30 de 30
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Multichannel Blind Deconvolution in Eye Fundus Imaging
(2011)
Comunicació de congrés
Accés obert -
Objective intraocular scattering evaluation in cataract patients
(Universitat Politècnica de Catalunya, 2009-09-09)
Projecte Final de Màster Oficial
Accés obertEveryday ophthalmologists visit several patients with cataracts, which must be analyzed and properly classified. Procedures commonly used nowadays for this purpose are the visual acuity assessment and the cataract gradation ... -
Pupil diameter, working distance and illumination during habitual tasks. Implications for simultaneous vision contact lenses for presbyopia
(Elsevier, 2016)
Article
Accés obertPurpose: To determine working distance, pupil diameter and illumination in real life conditions in a sample of presbyopic participants performing habitual tasks. Methods: A total of 59 presbyopic subjects (aged between ... -
Repeatability of aberrometric measurements with a new instrument for vision analysis based on adaptive optics
(2015-03-01)
Article
Accés restringit per política de l'editorialPURPOSE: To evaluate intersession and intrasession repeatability of aberration data obtained with a new visual simulator based on adaptive optics, which includes a Hartmann-Shack aberrometer (Adaptive Optics Vision Analyzer; ... -
Repeatability study of a new application for assessing macular photostress recovery time
(Universitat Politècnica de Catalunya, 2015-05-21)
Treball Final de Grau
Accés obertObjectiu: Comprovar en dos grups d’edat la repetibilitat d’una nova aplicació web per avaluar el temps de recuperació macular (MRT) al fotoestrés en una població sana. A més, s’estudia la influència de la il·luminació de ... -
Restoration of retinal images with space-variant blur
(2014-01-01)
Article
Accés obertRetinal images are essential clinical resources for the diagnosis of retinopathy and many other ocular diseases. Because of improper acquisition conditions or inherent optical aberrations in the eye, the images are often ... -
Simulació del traçat de raigs de les imatges diòptriques de l'ull teòric sota diferents situacions
(Universitat Politècnica de Catalunya, 2015-06-30)
Treball Final de Grau
Accés obertQuan es volen estudiar les imatges formades per l’ull s’utilitza molt habitualment l’ull teòric o esquemàtic. Lo que proporciona aquest mètode és una representació del funcionament visual de l’ull sota les anomenades ... -
Tear break-up time for tear film evaluation: Are moistening solutions interchangeable?
(2015-08-01)
Article
Accés obertPurpose: It was the main purpose of this study to investigate the influence of the moistening solution on TBUT measurements in an asymptomatic population.; Methods: An online survey was employed to determine the compliance ... -
Tear film quality evaluation with intraocular scattering measurements
(Universitat Politècnica de Catalunya, 2010-08-28)
Projecte Final de Màster Oficial
Accés obertA new objective method to diagnose and classify dry eye patients has been carried out in this study. Tear film quality was objectively evaluated by means of a double-pass system in patients with healthy eyes, with some ... -
Temporal stability in the perception of dry eye ocular disconfort symptoms
(2010)
Article
Accés restringit per política de l'editorialPurpose. A prospective longitudinal study was designed to investigate the ability of patients with tear deficiency to correctly recall their past symptoms. The ultimate goal of the study was to contribute to the ongoing ...