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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. 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. Vision in fish - Wikipedia

    en.wikipedia.org/wiki/Vision_in_fish

    Vision in fish. An oscar, Astronotus ocellatus, surveys its environment. Vision is an important sensory system for most species of fish. Fish eyes are similar to the eyes of terrestrial vertebrates like birds and mammals, but have a more spherical lens.

  5. Fundus photography - Wikipedia

    en.wikipedia.org/wiki/Fundus_photography

    These two images are later used together to create a 3D image. In this way the image can be analysed giving better information about surface characteristics of the retina. [19] Fundus photography in animals: Fundus photography is a useful tool utilised for veterinary research, veterinary ophthalmology, as well as education. [20]

  6. List of unproduced Universal Pictures animated projects

    en.wikipedia.org/wiki/List_of_unproduced...

    This is a list of unmade and unreleased animated projects by Universal Pictures.Some of these projects were, or still are, in development limbo.These also include the co-productions the studio collaborated with in the past (i.e. Amblimation, Universal Animation Studios, Illumination Entertainment, and DreamWorks Animation) as well as sequels to their franchises.

  7. Tourist in Swiss Alps left in tears after capturing viral ...

    www.aol.com/tourist-swiss-alps-left-tears...

    Amaris Encinas, USA TODAY. August 9, 2024 at 8:22 PM. Glaciers in the Swiss Alps don’t look like they used to, with one tourist’s viral vacation photo illustrating the effects of a warming ...

  8. 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.

  9. Autostereogram - Wikipedia

    en.wikipedia.org/wiki/Autostereogram

    The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene. Autostereograms use only one image to accomplish the effect while normal stereograms require two.