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  2. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    The human eye is an organ which reacts to light for several purposes. As a conscious sense organ, the eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can distinguish about 10 million colors. [3]

  3. Physical attractiveness - Wikipedia

    en.wikipedia.org/wiki/Physical_attractiveness

    In this study, men's facial hair was split into four categories, each differing in the thickness and coverage: very light, light, medium, and heavy. Light facial hair was rated as the most attractive, followed by medium, heavy, and the least attractive was 'very light'. This study suggests that some facial hair is better than none because it ...

  4. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    Green eyes are most common in Northern, Western and Central Europe. [52] [53] Around 8–10% of men and 18–21% of women in Iceland and 6% of men and 17% of women in the Netherlands have green eyes. [54] Among European Americans, green eyes are most common among those of recent Celtic and Germanic ancestry, with about 16%. [54]

  5. People who wear glasses are smarter, study claims - AOL

    www.aol.com/news/people-wear-glasses-smarter...

    Check out these smart famous glasses wearers: Researchers at the University Medical Center in Germany linked spending more time in school and ... People who wear glasses are smarter, study claims ...

  6. Do blue light glasses actually protect your eyes? Eye ... - AOL

    www.aol.com/blue-light-glasses-actually-protect...

    Do blue light glasses work to protect your eyes from screens? Ophthalmologists share whether there are benefits to blue light glasses and tips to protect eyes.

  7. People Who Never Need Glasses Do This One Thing Every Day - AOL

    www.aol.com/people-never-glasses-one-thing...

    See shares there are many things people can do to keep their eyes in the best shape possible, including: Taking good care of your general health ("Type 2 diabetes is a leading cause of blindness ...

  8. Human physical appearance - Wikipedia

    en.wikipedia.org/wiki/Human_physical_appearance

    Human physical appearance is the outward phenotype or look of human beings. Image of a European female (left) and an East Asian male (right) human body seen from front (upper) and back (lower). Adult human bodies photographed whose naturally-occurring pubic, body, facial, but not head hair have been deliberately removed to show anatomy.

  9. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.