Ara mostrant els elements 1-20 de 67

    Estudio de la función visual en pacientes afectos de NF1 con y sin glioma de la vía óptica 

    Fresno Cañada, Carlos (Data de defensa: 2025-10-25)

    (English) Neurofibromatoses (NF) are a group of three related but genetically distinct disorders of the nervous system that cause tumors to grow around nerves. The tumors originate in the cells that make up the myelin ...

    Evaluación de la calidad óptica de lentes intraoculares en presencia de aberraciones 

    Azor Morón, Juan Antonio (Data de defensa: 2024-07-12)

    (English) An intraocular lens (IOL) is an implant that is used in cataract surgery to replace the clouded natural lens (cataract) and restore the loss of transparency. Currently, there is a wide variety of designs, brands, ...

    Cumplimiento en el uso y mantenimiento de lentes de contacto y accesorios 

    Alonso Matarín, Silvia (Data de defensa: 2024-06-10)

    (English) Introduction: Non-compliance in the use and care of contact lenses (CLs) and their accessories is a major clinical problem, and although there have been notable scientific advances in the designs and materials ...

    Development of a multimodal imaging system based on LIDAR 

    García Gómez, Pablo (Data de defensa: 2021-12-02)

    (English) Perception of the environment is an essential requirement for the fields of autonomous vehicles and robotics, that claim for high amounts of data to make reliable decisions. With this aim, many different sensors ...

    Study of the accommodation during refraction: development of new methodologies for accurate refractions 

    Turull Mallofré, Aina (Data de defensa: 2024-10-31)

    (English) Uncorrected refractive error is the main cause of visual impairment worldwide, with its incidence being even bigger in developing countries, where access to eye care is severely limited, mainly due to a shortage ...

    Propagation of polarized light through turbid media: application of LiDAR technology in foggy environments 

    Ballesta Garcia, Maria (Data de defensa: 2024-06-07)

    (English) In recent times, there has been a growing interest in LiDAR imaging systems for outdoor applications involving computer vision, such as automotive systems, surveillance, and robotics. LiDAR sensors have the ability ...

    Objective evaluation on the effectiveness of vergence vision training based on the analysis of eye movements 

    Rovira Gay, Cristina (Data de defensa: 2024-09-05)

    (English) When an object of interest is detected in the visual field, a saccadic movement is made and the attention and gaze are centred on it. During this visual fixation, optokinetic eye movement occurs to maintain the ...

    Self-mixing interferometry techniques for biophotonic applications in flow sensing 

    Yáñez Alvarado, Carlos René (Data de defensa: 2024-01-18)

    (English) In this doctoral thesis, significant strides have been made in the realm of biofluid flow sensing through the innovative integration of Self-Mixing Interferometry (SMI) with confocal microscopy principles, resulting ...

    Improving non-invasive diagnosis of skin cancer and blood diseases using photonic techniques 

    Rey Barroso, Laura (Data de defensa: 2023-12-18)

    (English) This thesis makes a significant contribution to the realm of medical diagnostics through the utilization of photonic technologies and emerging imaging modalities, leading to the creation of innovative approaches ...

    Meibomian gland dysfunction and dry eye symptoms of fitted and over the counter contact lens wearers compared with non-contact lens wearing controls 

    Ifrah, Reut (Data de defensa: 2023-06-26)

    (English) Meibomian gland dysfunction (MGD) is a chronic and diffuse abnormality of the meibomian glands (MGs) that occurs in 38% of contact lens (CL) wearers, though the influence of CLs on MGD is equivocal. A topical ...

    Influencia del comportamiento cromático de las lentes intraoculares en la función visual 

    Clavé Cerezo, Laura (Data de defensa: 2023-04-27)

    (English) Diffractive multifocal intraocular lens typically uses a hybrid refractive-diffractive design that consist of a high-power refractive base lens and a low-power diffractive profile engraved on one of its surfaces. ...

    Development and clinical applications of a whole anterior segment and retinal SS-OCT 

    Rodríguez Aramendía, Ana (Data de defensa: 2023-03-24)

    (English) Vision is central to human perception. It emanates from a complex organ, the human eye, starting from photodetection in the retina. However, the quality of the visual experience depends on the anatomical integrity ...

    Design and construction of a snapshot full-Stokes polarimetric camera : seeing through fog 

    Peña Gutiérrez, Sara (Data de defensa: 2023-02-24)

    (English) Polarization is one of the properties of light and it is often put aside. Human beings receive light beams and process only the intensity and wavelength information. Our optical system lacks the capability of ...

    Estudi i desenvolupament de sensors òptics ultra-ràpids per a metrologia tridimensional de superfícies 

    Martínez Marín, Pol (Data de defensa: 2023-02-10)

    (English) Three-dimensional measurement of roughness and shape of a surface provides information about an object properties through surface parameters. These parameters are defined by international standards and can describe ...

    Diseño e implementación de un laboratorio destinado a la validación clinica de ayudas para la percepción y movilidad en pacientes con limitación de campo periférico 

    Sánchez Herrero, Eulalia (Data de defensa: 2022-01-21)

    People with peripheral visual field loss perceive limited information about the environment and present severe problems in achieving successful orientation and mobility. In recent years, virtual and augmented reality systems ...

    Caracterización de la regresión diurna en ortoqueratología 

    Pérez Corral, Juan Enrique (Data de defensa: 2021-11-09)

    The first papers on the fitting of ortho-k lenses in ametropic individuals, treatment that allows them to enjoy good vision without the need to wear glasses or contact lenses, were published almost 60 years ago. Both the ...

    Spectral control methods and applications for multi-channel LED light engines 

    Llenas Farràs, Aleix (Data de defensa: 2019-12-04)

    Lighting installations are usually static and based on long-standing visual indicators such as colour temperature, colour rendering, and illuminance values. However, we now know that spectral variations in light elicit ...

    Hyperspectral imaging system for the fast recording of the ocular fundus 

    Alterini, Tommaso (Data de defensa: 2021-06-25)

    Vision loss affects physical, psychological, and emotional wellbeing and social life as well. High life expectancy and health policies are translated into an aging population worldwide, which has higher risk of eye’s ...

    Validación de un instrumento de calidad de vida específico para pacientes con discapacidad visual : Low Vision Quality of Life (LVQOL) 

    Pérez Mañá, Lluis (Data de defensa: 2019-10-11)

    There is a growing need in the western world to know the quality of life (QoL) of patients affected by ocular pathologies that cause visual impairment (VI). In this type of pathologies, objective data such as visual acuity ...

    Caracterització dels paràmetres corneals per a l'adaptació de lents de contacte en casos de queratocon 

    Mas Aixalà, Enric (Data de defensa: 2019-07-12)

    Introduction: The characterization of the corneal surface and the classification of keratoconus into diverse severity stages is a field of research in constant evolution, not only because of technology advances, but also ...