When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. How Rare Are Hazel Eyes, Exactly? - AOL

    www.aol.com/rare-hazel-eyes-exactly-100600193.html

    Hazel eyes mostly occur in individuals whose ancestry is from North Africa, the Middle East, Brazil and Spain—although, anyone can have this genetic mutation. View the original article to see ...

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

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

    They say that eyes are the windows to the soul. Often, a person's eye color is the first thing we notice about them when we meet them. And undoubtedly, every eye color shines with its own beauty.

  4. Eye color - Wikipedia

    en.wikipedia.org/wiki/Eye_color

    Definitions of the eye color hazel vary: it is sometimes considered to be synonymous with light brown or gold, as in the color of a hazelnut shell. [38] [40] [43] [45] Around 18% of the US population and 5% of the world population have hazel eyes. [28] 55.2% of Spanish subjects in a series of 221 photographs were judged to have hazel eyes. [46]

  5. Iridology - Wikipedia

    en.wikipedia.org/wiki/Iridology

    Iridology (also known as iridodiagnosis[1] or iridiagnosis[2]) is an alternative medicine technique whose proponents claim that patterns, colors, and other characteristics of the iris can be examined to determine information about a patient's systemic health. Practitioners match their observations to iris charts, which divide the iris into ...

  6. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...

  7. Compound eye - Wikipedia

    en.wikipedia.org/wiki/Compound_eye

    Compound eye of a house centipede Compound eye of a dragonfly. A compound eye is a visual organ found in arthropods such as insects and crustaceans.It may consist of thousands of ommatidia, [1] which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which distinguish brightness and color.

  8. 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.

  9. Corylus colurna - Wikipedia

    en.wikipedia.org/wiki/Corylus_colurna

    It is a large species of hazel, reaching 25 m (82 ft) tall, [1] with a stout trunk up to 1.5 m (4 ft 11 in) in diameter; the crown is slender and conical in young trees, becoming broader with age. The bark is pale grey - buff, with a thick, corky texture. The leaves are deciduous, rounded, 6–15 cm long and 5–13 cm across, softly hairy on ...