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

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

    [1] [2] Increasingly, blue blocking filters are being designed into glasses to avoid blue light's purported negative effects. However, there is no good evidence that filtering blue light with spectacles has any effect on eye health, eye strain, sleep quality or vision quality. [3]

  3. Are blue light glasses really worth it? A new analysis says ...

    www.aol.com/finance/blue-light-glasses-really...

    Looking at a computer all day only engages a specific part of your vision. It’s also important to blink and try the “ 20-20-20 ” rule: every 20 minutes, look at an object 20 feet away for 20 ...

  4. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Computer vision syndrome. Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

  5. Monocular vision - Wikipedia

    en.wikipedia.org/wiki/Monocular_vision

    Monocular vision impairment refers to having no vision in one eye with adequate vision in the other. [ 2] Monopsia is a medical condition in humans who cannot perceive depth even though their two eyes are medically normal, healthy, and spaced apart in a normal way. Vision that perceives three-dimensional depth requires more than parallax.

  6. People Who Never Need Glasses Do This One Thing Every Day - AOL

    www.aol.com/people-never-glasses-one-thing...

    Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...

  7. Monocle - Wikipedia

    en.wikipedia.org/wiki/Monocle

    Look up monocle in Wiktionary, the free dictionary. A monocle is a type of corrective lens used to correct or enhance the visual perception in only one eye. It consists of a circular lens placed in front of the eye and held in place by the eye socket itself. Often, to avoid losing the monocle, a string or wire is connected to the wearer's ...

  8. Superstition in Russia - Wikipedia

    en.wikipedia.org/wiki/Superstition_in_Russia

    Two or more people might never use one towel at the same time to dry their hands or bodies; some believe this will bring conflict. If one feels that they may have been cursed by someone (had the "evil eye" put on them) or just has the feeling of a hostile presence, it is recommended to remove one's coat and then put it back on starting with the ...

  9. Upside down goggles - Wikipedia

    en.wikipedia.org/wiki/Upside_down_goggles

    Upside down goggles. Upside down goggles, also known as "invertoscopes" by Russian researchers, [ 1] are optical instruments that invert the image received by the retinas upside down. They are used to study human visual perception, particularly psychological process of building a visual image in the brain. Objects viewed through such a device ...