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  2. Entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Entoptic_phenomenon

    Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.) In Helmholtz 's words: "Under suitable conditions light falling on the eye ...

  3. Transparent eyeball - Wikipedia

    en.wikipedia.org/wiki/Transparent_eyeball

    Transparent eyeball. The transparent eyeball is a philosophical metaphor originated by American transcendentalist philosopher Ralph Waldo Emerson. In his essay Nature, the metaphor stands for a view of life that is absorbent rather than reflective, and therefore takes in all that nature has to offer without bias or contradiction.

  4. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective . Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  5. Far as Human Eye Could See - Wikipedia

    en.wikipedia.org/wiki/Far_as_Human_Eye_Could_See

    Followed by. The Relativity of Wrong. Far as Human Eye Could See: Essays on Science (published 1987) is a collection of science essays by American writer and scientist Isaac Asimov, short works which originally appeared in The Magazine of Fantasy and Science Fiction ( F&SF ), these being first published between November 1984 and March 1986.

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

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

    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 ...

  7. Make eye exams part of the back-to-school checklist. Your ...

    www.aol.com/lifestyle/eye-exams-part-back-school...

    Your kids and their teachers will thank you. Make eye exams part of the back-to-school checklist. Your kids and their teachers will thank you. When a little boy burst into tears in her third-grade ...

  8. Book Review: 'Secret Life of the Universe' is a primer on ...

    www.aol.com/news/book-review-secret-life...

    In “The Secret Life of the Universe: An Astrobiologist's Search for the Origins and Frontiers of Life,” readers won't walk away with a clear-cut answer to that question. But they'll have a ...

  9. Optics - Wikipedia

    en.wikipedia.org/wiki/Optics

    Optics is part of everyday life. The ubiquity of visual systems in biology indicates the central role optics plays as the science of one of the five senses. Many people benefit from eyeglasses or contact lenses, and optics are integral to the functioning of many consumer goods including cameras. Rainbows and mirages are examples of optical ...