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  2. Chromostereopsis - Wikipedia

    en.wikipedia.org/wiki/Chromostereopsis

    Chromostereopsis is a visual illusion whereby the impression of depth is conveyed in two-dimensional color images, usually of red–blue or red–green colors, but can also be perceived with red–grey or blue–grey images. [1] [2] Such illusions have been reported for over a century and have generally been attributed to some form of chromatic ...

  3. Red-eye effect - Wikipedia

    en.wikipedia.org/wiki/Red-eye_effect

    Red-eye effect seen on a teenager. The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.

  4. Bates method - Wikipedia

    en.wikipedia.org/wiki/Bates_method

    Bates thought that the manner of eye movement affected the sight. He suggested "shifting", or moving the eyes back and forth to get an illusion of objects "swinging" in the opposite direction. He believed that the smaller the area over which the "swing" was experienced, the greater was the benefit to sight.

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

    www.aol.com/lifestyle/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 ...

  6. Photophobia - Wikipedia

    en.wikipedia.org/wiki/Photophobia

    Photophobia is a medical symptom of abnormal intolerance to visual perception of light. As a medical symptom, photophobia is not a morbid fear or phobia, but an experience of discomfort or pain to the eyes due to light exposure or by presence of actual physical sensitivity of the eyes, though the term is sometimes additionally applied to abnormal or irrational fear of light, such as heliophobia.

  7. Can you use scent to boost your brain health? - AOL

    www.aol.com/scent-boost-brain-health-171700709.html

    Some smells release neurotransmitters in the brain. Think: serotonin, dopamine, and endorphins. These brain chemicals can lead to feelings of happiness and relaxation. Certain scents may even help ...

  8. Iris recognition - Wikipedia

    en.wikipedia.org/wiki/Iris_recognition

    Iris recognition biometric systems apply mathematical pattern-recognition techniques to images of the irises of an individual's eyes.. Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex patterns are unique, stable, and can be seen from some ...

  9. Stereopsis - Wikipedia

    en.wikipedia.org/wiki/Stereopsis

    Stereopsis. Stereopsis (from Ancient Greek στερεός ( stereós) 'solid', and ὄψις (ópsis) 'appearance, sight') is the component of depth perception retrieved through binocular vision. [1] Stereopsis is not the only contributor to depth perception, but it is a major one. Binocular vision happens because each eye receives a different ...