alexa Instituto de Optica Visual Optics and Biophotonics Lab

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Instituto de Optica Visual Optics and Biophotonics Lab

Visual Optics and Biophotonics lab development of imaging techniques for investigation of the human visual system, and the development of new vision correction alternatives.The understanding of the imaging mechanisms of the optical system of the eye (cornea and crystalline lens) Advance of the understanding of the biological mechanisms and early diagnosis of ocular pathologies. Evaluation and new designs of refractive and presbyopic corrections. Prof. Susana Marcos to its Scientific Advisory Board. The board is formed by a group of 12 prestigious scientists. Other scientists from CSIC included in the board are Avelino Corma, Angela Nieto, Alberto Enciso and Carme Torras. Research: Laser Ray Tracing aberrometer: measures the optical aberrations of the eye by delivering narrow laser beams sequentially through different pupil positions, and simultaneously collecting the light reflected off the retina corresponding to each entry position. The beam from a laser diode is rapidly deflected using a scanning system and the aerial images are captured on a highly sensitive CCD camera conjugated with the retina. Additionnal channels are a pupil monitoring system (pupillary images are captured simultaneously to retinal images) and a fixation channel. The local ray aberration (proportional to the local derivative of the wave aberration) is obtained from the corresponding aerial as the deviation of the centroid position from the reference (position corresponding to chief ray). The wave aberration for each position is then estimated by integration from ray aberrations. Concurrent Vision Simulation Instrument is a minimal optical seat instrument with two channels (one for far and the other for close to) that recombine at the understudy plane, reenacting a bifocal example, with no amplification relics, which permits remedying the patient for far and conforming the craving close include. A transmission spatial light modulator, in mix with polarizers, permits making any pupillary conveyance for close/far. A psychophysical channel permits testing of visual execution and saw picture quality with these bifocal examples. Different multifocal stage plans and augmentations and here and now neural adjustment to bifocal amendments have been contemplated with this instrument. Keeping in mind the end goal to give a multifocal involvement in the center before focal point fitting or implantation, another head-mounted binocular Simultaneous Vision (SimVis) instrument is being produced. This gadget depends on the utilization of an opto-movable focal point: by beating the focal point at rapid, distinctive concentrations can be made and superimposed in the watcher's retina, mimicking multifocal amendments. This rule has as of now demonstrated its potential as a multifocal adjustment test system in a hand-held monocular variant of the instrument. SimVis is right now being created by a turn off organization (2Eyes Vision) that will convey it to the clinical market in 2017. Universities: OPAL(Optical and adaptational limits of Vision); EURYI (European young Investigator Award); ERC (European Research Counsil)