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Eye tracking device is a tool created to help measure eye and head movements. The first devices for tracking eye movement took two main forms: those that relied on a mechanical connection between participant and recording instrument, and those in which light or some other form of electromagnetic energy was directed at the participant's eyes and its reflection measured and recorded.
A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in ...
A piano trio comprising a pianist, violinist and cellist. Chamber groups traditionally perform publicly from score rather than from memory. Eye movement in music reading is the scanning of a musical score by a musician's eyes. This usually occurs as the music is read during performance, although musicians sometimes scan music silently to study it.
We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...
The flicker fusion threshold, also known as critical flicker frequency or flicker fusion rate, is the frequency at which a flickering light appears steady to the average human observer. It is a concept studied in vision science, more specifically in the psychophysics of visual perception. A traditional term for "flicker fusion" is "persistence ...
The most significant knowledge Cooper displayed was a feature both secret and unique to the 727; the aft airstair could be operated during flight, and the single activation switch in the rear of the cabin could not be overridden from the cockpit. [218] Cooper knew how to operate the aft staircase, and had clearly planned to use it for his escape.
The detached retina was caused by a cancerous tumor that had wrapped around Hensley’s optic nerve. She was diagnosed with ocular melanoma that began when the freckle in the back of her eye ...
The company has been upgrading patients who use its eye treatment, Eylea, to a higher-dose version to beat the impact from cheaper biosimilars available in the market and rival drugs. U.S. sales ...