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  2. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    A seven-week-old human baby following a kinetic object. Infant vision concerns the development of visual ability in human infants from birth through the first years of life. The aspects of human vision which develop following birth include visual acuity, tracking, color perception, depth perception, and object recognition.

  3. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    The total number of genes that contribute to eye color is unknown, but there are a few likely candidates. A study in Rotterdam (2009) found that it was possible to predict eye color with more than 90% accuracy for brown and blue using just six SNPs. [16] [17] In humans, eye color is a highly sexually dimorphic trait. [18]

  4. Why your hair and eye colors change

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

    Melanin is the protein that creates skin, eye and hair color. More melanin means darker eyes, hair or skin. The color of the melanin in the eyes is determined by three other genes, EYCL1, 2 and 3 ...

  5. Martin scale - Wikipedia

    en.wikipedia.org/wiki/Martin_scale

    The Martin scale is an older version of color scale commonly used in physical anthropology to establish more or less precisely the eye color of an individual. It was created by the anthropologist Rudolf Martin in the first half of the 20th century.

  6. Perceptual paradox - Wikipedia

    en.wikipedia.org/wiki/Perceptual_paradox

    Example: the optical path in an eye, from the cornea to the photoreceptors, goes through a non-spherical cornea and lens that refract and non-circular apertures that diffract such that, in a normal eye, the image on the retina for a point-source is an irregular color-fringed, color-eccentric coaxial bullseye-like pattern with many pathological properties, with the central bright feature ...

  7. What your eye color says about you

    www.aol.com/lifestyle/2014-06-10-what-your-eye...

    RELATED: See what your eye color says about you. What your eye color says about you. Show comments. Advertisement. Advertisement. Holiday Shopping Guides. See all. AOL.

  8. The Rarest Eye Color in the World: What It Is and Why

    www.aol.com/lifestyle/rarest-eye-color-world-why...

    Grey eyes make up about 3 percent of the world's population—the second rarest eye color. There are also rare cases of violet and red-colored eyes. What Determines Eye Color?

  9. Child development stages - Wikipedia

    en.wikipedia.org/wiki/Child_development_stages

    Begins to predict and anticipate routines. [29] Repeats behaviors that result in a desired effect. [29] Grasps, mouths, and looks at toys. [29] Lets caregivers know about mood. [30] Able to reach for objects using one hand. [30] Able to use hands and eyes together to accomplish tasks. [30] Recognizes familiar things from a distance. [30]