Browsing by Subject "Retina -- Malalties"
Now showing items 1-20 of 33
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A dual role for EDEM1 in the processing of rod opsin
(2009-12)
Article
Open Access -
Alterations in the photoactivation pathway of rhodopsin mutants associated with retinitis pigmentosa
(2011-05)
Article
Restricted access - publisher's policyThe visual photoreceptor rhodopsin undergoes a series of conformational changes upon light activation, eventually leading to the active metarhodopsin II conformation, which is able to bind and activate the G-protein, transducin. ... -
Application of Optical Coherence Tomography Angiography in age-related macular degeneration
(Universitat Politècnica de Catalunya, 2019-05-22)
Master thesis
Restricted access - author's decisionOBJECTIVO: El objetivo principal de este trabajo es localizar y describir los cambios histológicos característicos de las distintas formas de Degeneración Macular Asociada a la Edad(AMD)mediante la utilización de tecnologías ... -
Artificial intelligence to identify retinal fundus images, quality validation, laterality evaluation, macular degeneration, and suspected glaucoma
(2020-02-13)
Article
Open AccessPurpose: To assess the performance of deep learning algorithms for different tasks in retinal fundus images: (1) detection of retinal fundus images versus optical coherence tomography (OCT) or other images, (2) evaluation ... -
Automatic segmentation of exudates in colour retinal fundus images
(Universitat Politècnica de Catalunya, 2019-10-17)
Master thesis
Open Access
Covenantee: Universidade do PortoThis work aims at the development of an algorithm that allows the automatic detection of exudates in retinal fundus images. The detection of exudates allows diabetic retinopathy (DR) to be diagnosed, consequently it is an ... -
Bases genético-moleculares de los síndromes de disfunción de conos
(Universitat Politècnica de Catalunya, 2017-06-09)
Bachelor thesis
Restricted access - author's decisionEn aquest treball veurem els diferents sindromes en la disfunció dels cons, un grup heterogèni de transtorns retinals caracteritzats per una visió central reduïda i diferents graus d’anomalies de la visió del color, nistagme ... -
Clinical validation of a multispectral fundus camera. Visualization of drusen in the visible and near infrared
(Universitat Politècnica de Catalunya, 2019-06-17)
Master thesis
Restricted access - author's decisionActualment, les tècniques de diagnòstic estan sent millorades per diferents grups d’investigació amb l’objectiu de detectar precoçment patologies i, conseqüentment, obtenir efectivitat en els seus tractaments. Concretament, ... -
Data augmentation for deep learning of non-mydriatic screening retinal fundus images
(Springer, 2018)
Conference report
Restricted access - publisher's policyFundus image is an effective and low-cost tool to screen for common retinal diseases. At the same time, Deep Learning (DL) algorithms have been shown capable of achieving similar or even better performance accuracies than ... -
El Epitelio pigmentario de la retina. Histología y propiedades fagocitarias
(Universitat Politècnica de Catalunya, 2016-05-30)
Bachelor thesis
Open Access -
Estudi del gruix de la ONL en pacients amb druses reticulars i toves al llarg del temps
(Universitat Politècnica de Catalunya, 2017-06-19)
Master thesis
Open AccessPROPÒSIT: Avaluar els canvis que apareixen en el gruix de la Capa Nuclear Externa (ONL) de la retina en dos grups diferenciats de pacients: pacients amb druses toves i pacients amb druses reticulars, en un període de 2 ... -
Evolució dels instruments d'observació i mesura de la retina
(Universitat Politècnica de Catalunya, 2018-06-27)
Bachelor thesis
Restricted access - author's decisionLa majoria dels éssers vius utilitzem el sentit de la vista per conèixer i comunicar-nos. El responsable de poder veure, és l’ull.Però és realment una part de l’ull la que ens permet crear una imatge del que veiem, la ... -
Genética molecular y mendeliana en retinosis pigmentaria
(Universitat Politècnica de Catalunya, 2013-06-26)
Bachelor thesis
Open Access -
Hyperspectral retinography in a young healthy population from the visible to the near-infrared
(Universitat Politècnica de Catalunya, 2020-02-14)
Master thesis
Restricted access - confidentiality agreement -
Hyperspectral retinography: effects of aging in healthy adults
(Universitat Politècnica de Catalunya, 2020-02-14)
Master thesis
48 months embargo -
Image analysis algorithms for feature extraction in eye fundus images
(Universitat Politècnica de Catalunya, 2009-07-20)
Master thesis
Open AccessRetinal images are widely used for diagnostic purposes by ophthalmolo- gists. Therefore, these images are suitable for digital image analysis for their visual enhancement and pathological risk or damage detection. Here, ... -
Improving the blind restoration of retinal images by means of point-spread-function estimation assessment
(2014)
Conference report
Restricted access - publisher's policyRetinal images often suffer from blurring which hinders disease diagnosis and progression assessment. The restoration of the images is carried out by means of blind deconvolution, but the success of the restoration depends ... -
Informe científico del proyecto "Modificación del plegamiento y función de opsinas mutadas mediante factores celulares como nueva estrategia terapéutica para enfermedades degenerativas de la retina"
(2016-05-18)
External research report
Open AccessLas mutaciones en la rodopsina son la principal causa de retinosis pigmentaria (RP) autosómica dominante. Estas mutaciones pueden clasificarse según sus propiedades bioquímicas y celulares. Por ejemplo las de tipo II son ... -
Interacción de la catequina y del ácido cafeico con la rodopsina
(Universitat Politècnica de Catalunya, 2015-06-23)
Bachelor thesis
Open AccessEn este proyecto se ha estudiado la posible interacción de la rodopsina con dos compuestos fenólicos: un flavonoide, la catequina y un ácido fenólico, el ácido cafeico. Los fenoles y flavonoides son sustancias que se ... -
Macular changes in children with refractive amblyopia
(Universitat Politècnica de Catalunya, 2018-02-01)
Master thesis
Open AccessPURPOSE: To determinewhether amblyopia is associated with changes in retinal thickness.METHODS: Study design was observational, combining retrospective and prospective elements. Twenty-nine subjects aged between 4 and 12 ... -
Mercury-induced dark-state instability and photobleaching alterations of the visual G-protein coupled receptor rhodopsin
(2014-07-01)
Article
Restricted access - publisher's policyMercuric compounds were previously shown to affect the visual phototransduction cascade, and this could result in vision impairment. We have analyzed the effect of mercuric chloride on the structure and stability of the ...
