Recent Submissions

  • Higiene y reemplazo del estuche portalentes, ¿incumplimiento o desconocimiento? 

    Alonso Matarín, Silvia; Cardona Torradeflot, Genís (2021-04-09)
    Article
    Restricted access - publisher's policy
    Propósito: El propósito de esta investigación fue determinar las prácticas de los usuarios de lentes de contacto en referencia al cuidado y reemplazo del estuche portalentes. Métodos: Se desarrolló una encuesta en línea y ...
  • Nociones básicas de deflectometría 

    Arasa, Josep; Royo Royo, Santiago (2002-06-01)
    Article
    Restricted access - publisher's policy
  • Effect of intermittent induced aeration on nitrogen removal and denitrifying-bacterial community structure in Cork and gravel vertical flow pilot-scale treatment wetlands 

    Aguilar Pérez, Lorena; Gallegos Dávalos, Ángel; Martín Pérez, Leonardo; Arias, Carlos A.; Rubio, Raquel; Haulani, Leila; García Raurich, Josep; Pallarés, Marc; de Pablo, Joan; Morató Farreras, Jordi (2021-10)
    Article
    Restricted access - publisher's policy
    In this work, we have evaluated the impact of aeration in total nitrogen (TN), ammonia (NH4-N) and nitrate-nitrogen (NO3-N) removal in four pilot-scale vertical flow constructed wetlands (VFCW) using cork by-product or ...
  • Identification of a set of variables for the classification of páramo soils using a nonparametric model, remote sensing, and organic carbon 

    Pazmiño Flores, Yadira Carmen; Felipe Blanch, José Juan de; Vallbé Mumbrú, Marc; Cargua, Franklin; Quevedo Junyent, Luisa Jesús (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08)
    Article
    Open Access
    Páramo ecosystems harbor important biodiversity and provide essential environmental services such as water regulation and carbon sequestration. Unfortunately, the scarcity of information on their land uses makes it difficult ...
  • Polarimetric imaging vs. conventional imaging: evaluation of image contrast in fog 

    Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Val Martí, Aina; Royo Royo, Santiago (2021-06-24)
    Article
    Open Access
    We compare conventional intensity imaging against different modes of polarimetric imaging by evaluating the image contrast of images taken in a controlled foggy environment. A small-scale fog chamber has been designed and ...
  • Calidad acústica de nuestras aulas ¿dificultades de audición? 

    Villares, Carla; Cardona Torradeflot, Genís (2021-05)
    Article
    Open Access
    La calidad acústica del ambiente en que se realiza el aprendizaje puede ser determinante a la hora de obtener mejores resultados. Así pretende demostrarlo un estudio realizado en la Facultad de Óptica y Optometría de ...
  • Characteristics of saccades during the near point of convergence test 

    Mestre Ferrer, Clara; Bedell, Harold E.; Díaz Douton, Fernando; Pujol Ramo, Jaume; Gautier, Josselyn (2021-10)
    Article
    Open Access
    The near point of convergence test is widely used to evaluate binocular vision. It assesses the ability of the eyes to converge at short distances. Although the test consists of a pure symmetrical vergence task, small ...
  • Transmittance measurement of the in vivo human eye with a double-pass system 

    Sánchez, Roberto; De Paul, Aníbal; Burgos Fernández, Francisco Javier; Vilaseca Ricart, Meritxell; Pujol Ramo, Jaume; Issolio, Luis A. (2021)
    Article
    Open Access
    Purpose: To develop a methodology based on a double-pass system to obtain information about the transmittance of ocular media. Methods: The procedure consists of recording double-pass images at different powers of a laser ...
  • Bringing old telescopes to a new robotic life 

    Suc, Vincent; Ropert, Samuel; Jordan, Andres; Royo Royo, Santiago (2017)
    Article
    Open Access
    We present the development from its origin to the implementation of new hardware and software for telescope control. This system has been designed to be adaptable to old decommissioned telescopes. We will show how we applied ...
  • Current modulation induced stability in laser diode under high optical feedback strength 

    Jha, Ajit; Kumar Shah, Manoj; Jha, Sachin; Reddy Cenkeramaddi, Linga; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-01)
    Article
    Open Access
    The back-reflection of emitted laser beam (optical feedback, also know as selfmixing) from various external interfaces are sufficient to cause instability, and prohibiting its use in various fields such as communication, ...
  • Children's visual impairment and visual care related to socioeconomic status in Catalonia (Spain) 

    Vila Vidal, Núria; Guisasola València, Laura; Rius Ulldemolins, Anna; Alonso Caballero, Jordi; Tresserras Gaju, Ricard (2020-11-11)
    Article
    Open Access
    Background: The objective of this study is to assess the prevalence of visual impairment and visual care practices and its association with socioeconomic conditions in the infant population in Catalonia. Methods: The Catalan ...
  • Spectral image at the service of medical diagnosis 

    Vilaseca Ricart, Meritxell (2020)
    Article
    Restricted access - publisher's policy

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