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  2. Photoreceptor cell - Wikipedia

    en.wikipedia.org/wiki/Photoreceptor_cell

    A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction. The great biological importance of photoreceptors is that they convert light (visible electromagnetic radiation) into signals that can stimulate biological processes. To be more specific, photoreceptor proteins in ...

  3. Cone cell - Wikipedia

    en.wikipedia.org/wiki/Cone_cell

    Cone cells or cones are photoreceptor cells in the retinas of vertebrates' eyes. They respond differently to light of different wavelengths, and the combination of their responses is responsible for color vision. Cones function best in relatively bright light, called the photopic region, as opposed to rod cells, which work better in dim light ...

  4. 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]

  5. Even if your kids roll their eyes, keep making jokes ...

    www.aol.com/research-shows-just-important-humor...

    More than a laugh. Yes, humor can get your family laughing, but it also serves a lot of important functions in parenting, Levi said. “It sort of forces you to react differently, which opens up ...

  6. Health effects of 3D - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_3D

    The health effects of 3D are the aspects in which the human body is altered after the exposure of three-dimensional (3D) graphics. These health effects typically only occur when viewing stereoscopic, autostereoscopic, and multiscopic displays. Newer types of 3D displays like light field or holographic displays do not cause the same health ...

  7. 21 Big Dog Breeds That Are Basically Giant Teddy Bears - AOL

    www.aol.com/lifestyle/21-big-dog-breeds...

    Big dog breeds offer owners a lot of animal—and a lot of love. Many of the largest breeds out there are affectionate canines who live to serve their family members. In fact, several are known ...

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

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

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  9. Blue field entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon

    The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots (nicknamed blue-sky sprites) moving quickly along undulating pathways in the visual field, especially when looking into bright blue light such as the sky. [1] The dots are short-lived, visible for about one second or less, and travel ...