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  2. Wikipedia : Public domain image resources

    en.wikipedia.org/wiki/Wikipedia:Public_domain...

    This is one of the largest collections of public domain images online (clip art and photos), and the fastest-loading. Maintainer vets all images and promptly answers email inquiries. Open Clip Art – This project is an archive of public domain clip art. The clip art is stored in the W3C scalable vector graphics (SVG) format.

  3. Openclipart - Wikipedia

    en.wikipedia.org/wiki/Openclipart

    Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".

  4. Clip art - Wikipedia

    en.wikipedia.org/wiki/Clip_art

    Examples of computer clip art, from Openclipart. Clip art (also clipart, clip-art) is a type of graphic art. Pieces are pre-made images used to illustrate any medium. Today, clip art is used extensively and comes in many forms, both electronic and printed. However, most clip art today is created, distributed, and used in a digital form.

  5. Watching-eye effect - Wikipedia

    en.wikipedia.org/wiki/Watching-eye_effect

    A sticker in German warning that the reader is being "video monitored". Even just the presence of an eye symbol on a sticker can be enough to change a person's behavior. The watching-eye effect says that people behave more altruistically and exhibit less antisocial behavior in the presence of images that depict eyes, because these images insinuate that they are being watched.

  6. Monocular vision - Wikipedia

    en.wikipedia.org/wiki/Monocular_vision

    Monocular vision is vision using only one eye. It is seen in two distinct categories: either a species moves its eyes independently, or a species typically uses two eyes for vision, but is unable to use one due to circumstances such as injury. [1] Monocular vision can occur in both humans and animals (such as hammerhead sharks).

  7. Depth perception - Wikipedia

    en.wikipedia.org/wiki/Depth_perception

    Selective image blurring is very commonly used in photography and video to establish the impression of depth. This can act as a monocular cue even when all other cues are removed. It may contribute to depth perception in natural retinal images, because the depth of focus of the human eye is limited.

  8. These tiny worms live in eyes, feed on tears and could ... - AOL

    www.aol.com/news/tiny-worms-live-eyes-feed...

    Now, the discovery of the worms in a black bear has prompted renewed worries for humans. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...

  9. Pupillary response - Wikipedia

    en.wikipedia.org/wiki/Pupillary_response

    A constriction response , [2] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti-hypertension medications. Constriction of the pupil occurs when the circular muscle , controlled by the parasympathetic nervous system (PSNS), contracts, and also to an extent when the radial muscle relaxes.