Relationship between two stimulation techniques of chromatic pupillometry
Relationship between two stimulation techniques of chromatic pupillometry
It has been proposed that flickering pupil light reflex (fPLR) can give information about the transient component of pulsed pupil light reflex (pPLR). Based on this assumption, parameters for the transient part of the pPLR (initial constriction and time to minimum) should be related to the parameters of the fPLR (amplitude and phase). We correlated parameters from fPLR with those from pPLR. A Newtonian view arrangement used in this study was composed by a lab-made photostimulator-pupillometer system. We obtained pupillary recordings for Blue, Cyan, Green and Red stimuli conditions. 15 observers with normal vision participated. For the fPLR, sinusoidal stimuli of 1Hz were used. For the pPLR, the stimuli were rectangular pulses. Positive correlations were obtained for initial constriction vs amplitude for all stimuli condition. Instead, for time to minimum vs phase no correlation was found. Thus, parameters considering the transient constriction intensity were related. However, temporal parameters were not associated, except for Red stimuli.
Fil: Issolio, Luis Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Investigación en Luz, Ambiente y Visión. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Investigación en Luz, Ambiente y Visión; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Luminotecnia, Luz y Visión; Argentina
Fil: Barrionuevo, Pablo Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Investigación en Luz, Ambiente y Visión. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Investigación en Luz, Ambiente y Visión; Argentina
Fil: Tripolone, María Constanza. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Investigación en Luz, Ambiente y Visión. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Investigación en Luz, Ambiente y Visión; Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet Noa Sur. Instituto de Investigación en Luz, Ambiente y Visión
Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Luminotecnia, Luz y Visión
Fil: Lavaque, Alejandro. Centro de Especialidades Oftalmológicas; Argentina
Fil: Agüero, Carlos. Centro de Especialidades Oftalmológicas; Argentina
Tercer Taller Latinoamericano de Ciencias de la Visión
San Miguel de Tucumán
FLICKER, PUPILLOMETRY, https://purl.org/becyt/ford/2.11, https://purl.org/becyt/ford/2, RETINA, PULSE
FLICKER, PUPILLOMETRY, https://purl.org/becyt/ford/2.11, https://purl.org/becyt/ford/2, RETINA, PULSE
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