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  2. Scopophobia - Wikipedia

    en.wikipedia.org/wiki/Scopophobia

    The term scopophobia comes from the Greek σκοπέω skopeō, "look to, examine", [2] and φόβος phobos, "fear". [3] Ophthalmophobia comes from the Greek ὀφθαλμός ophthalmos, "eye". [4] Another, lesser known, term for this disorder is spotligectophobia, a humorous blend of the spotlight effect and the combining form -phobia ...

  3. Autostereogram - Wikipedia

    en.wikipedia.org/wiki/Autostereogram

    With the picture so close to their eyes, most people cannot focus on the picture. The brain may give up trying to move eye muscles in order to get a clear picture. If one slowly pulls back the picture away from the face, while refraining from focusing or rotating eyes, at some point the brain will lock onto a pair of patterns when the distance ...

  4. Thousand-yard stare - Wikipedia

    en.wikipedia.org/wiki/Thousand-yard_stare

    When recounting his arrival in Vietnam in 1965, then-Corporal Joe Houle (director of the Marine Corps Museum of the Carolinas in 2002) said he saw no emotion in the eyes of his new squad: "The look in their eyes was like the life was sucked out of them". He later learned that the term for their condition was "the 1,000-yard stare".

  5. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The two most common types of grid illusions are the Hermann grid illusion (1870) and the scintillating grid illusion (1994). The first is characterized by "ghostlike" grey blobs perceived at the intersections of a white (or light-colored) grid on a black background. The grey blobs disappear when looking directly at an intersection.

  6. Afterimage - Wikipedia

    en.wikipedia.org/wiki/Afterimage

    Negative afterimages are generated in the retina but may be modified like other retinal signals by neural adaptation of the retinal ganglion cells that carry signals from the retina of the eye to the rest of the brain. [3] Normally, any image is moved over the retina by small eye movements known as microsaccades before much adaptation can occur ...

  7. Kaitlyn Bristowe Shares Photos After Undergoing Eyelid Surgery

    www.aol.com/entertainment/kaitlyn-bristowe...

    Kaitlyn Bristowe keeps things real. Bristowe, 39, gave fans a candid look at her eyes after undergoing an upper blepharoplasty — a cosmetic surgery that helps remove excess skin around the eyes ...

  8. Entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Entoptic_phenomenon

    Floaters or muscae volitantes are slowly drifting blobs of varying size, shape, and transparency, which are particularly noticeable when viewing a bright, featureless background (such as the sky) or a point source of diffuse light very close to the eye. They are shadow images of objects floating in liquid between the retina and the gel inside ...

  9. Stereoscopy - Wikipedia

    en.wikipedia.org/wiki/Stereoscopy

    Stereoscopy creates the impression of three-dimensional depth from a pair of two-dimensional images. [5] Human vision, including the perception of depth, is a complex process, which only begins with the acquisition of visual information taken in through the eyes; much processing ensues within the brain, as it strives to make sense of the raw information.