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  2. This Is The 1 Thing An Eye Doctor Says You Should Never Do ...

    www.aol.com/1-thing-eye-doctor-says-120017349.html

    Listen to the full episode by pressing play: ″ [Sleeping with contact lenses in your eyes] is bad. It’s real bad. Don’t do it,” Redfern told us, adding that this even applies to naps ...

  3. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  4. Photoreceptor cell - Wikipedia

    en.wikipedia.org/wiki/Photoreceptor_cell

    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 ...

  5. Persistence of vision - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_vision

    Persistence of vision is the optical illusion that occurs when the visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. [1] The illusion has also been described as "retinal persistence", [2] "persistence of impressions", [3] simply "persistence" and other variations.

  6. Does staring at screens ruin your eyes? - AOL

    www.aol.com/article/2014/02/27/does-staring-at...

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  7. Eye movement in reading - Wikipedia

    en.wikipedia.org/wiki/Eye_movement_in_reading

    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.

  8. Working into the night? High-end health tech sleep scientist ...

    www.aol.com/finance/working-night-high-end...

    High-end health tech sleep scientist warns being on your screen during this ‘magic period’ could have depressive effects Eleanor Pringle January 4, 2024 at 7:24 AM

  9. Emission theory (vision) - Wikipedia

    en.wikipedia.org/wiki/Emission_theory_(vision)

    Emission theory or extramission theory (variants: extromission) or extromissionism is the proposal that visual perception is accomplished by eye beams emitted by the eyes. This theory has been replaced by intromission theory (or intromissionism), which is that visual perception comes from something representative of the object (later ...