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  2. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    The major components of the visual system can be broken up into visual acuity, depth perception, color sensitivity, and light sensitivity. By providing a better understanding of the visual system, future medical treatments for infant and pediatric ophthalmology can be established. By additionally creating a timeline on visual perception ...

  3. Tetrachromacy - Wikipedia

    en.wikipedia.org/wiki/Tetrachromacy

    The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.

  4. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    A chimera can have two different colored eyes just like any two siblings can—because each cell has different eye color genes. A mosaic can have two different colored eyes if the DNA difference happens to be in an eye-color gene. There are many other possible reasons for having two different-colored eyes.

  5. Why your hair and eye colors change

    www.aol.com/news/2014-07-23-why-your-hair-and...

    Hair color is the same way, sometimes, babies are born with very light colored hair that gradually darkens. The colored part of the eye is. Many babies are born with blue eyes, and then their eyes ...

  6. Babies can see details that adults miss - AOL

    www.aol.com/news/2016-02-07-babies-can-see...

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  7. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    "Baby fat" continues to appear on thighs, upper arms and neck. Feet appear flat as arch has not yet fully developed. Both eyes work in unison (true binocular coordination). Can see distant objects (4 to 6 m or 13 to 20 ft away) and points at them. Motor development. Reaches with one hand leading to grasp an offered object or toy.

  8. Color blindness - Wikipedia

    en.wikipedia.org/wiki/Color_blindness

    These color charts show how different color blind people see compared to a person with normal color vision. [ dubious – discuss ] Much terminology has existed and does exist for the classification of color blindness, but the typical classification for color blindness follows the von Kries classifications, [ 26 ] which uses severity and ...

  9. What colors can cats see? Here's how your pet perceives the ...

    www.aol.com/colors-cats-see-heres-pet-110109011.html

    Cats are limited in their perception of color. Human eyes have 10 times more cone cells than feline eyes, meaning we can see a larger range of colors than cats, according to Purina.