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A 1997 study of White Americans found that eye color may be subject to change in infancy, and from adolescence to adulthood. [ 24 ] 17% of children experienced a change of eye color by adulthood. Of those children, 50% of developed lighter eyes as they got older.
Eye color, specifically the color of the irises, is determined primarily by the concentration and distribution of melanin. Although the processes determining eye color are not fully understood, it is known that inherited eye color is determined by multiple genes. Environmental or acquired factors can alter these inherited traits. [7]
Many babies are born with blue eyes, and then their eyes change color as their genes continue to develop. Hair color is the same way, sometimes, babies are born with very light colored hair that ...
Corneal opacities (scarring of the cornea that creates an opaque or semi-transparent area on the eye) may be caused by leucoma, keratitis or cataracts. [1] Such opacities can be cosmetically disruptive for patients in their everyday lives. Tattooing the cornea can alter a discoloration, blending an opacity into the normal eye color.
Artificial irises may be implanted into people with healthy eyes to change their eye color. These cosmetic irises are marketed as an alternative to cosmetic contact lenses. Cosmetic implants are criticized by ophthalmologists as they can lead to vision loss in healthy eyes. [3]
Recent developments also include procedures that can change eye color from brown to blue. [5] [6] Before proceeding with laser surgery, the eye specialist needs to certify that the patient is a suitable candidate for the surgery and there are several factors to be considered before doing laser surgery. [7]
Similarly, other causes of skin tone change such as blushing or rump-reddening convey important information between potential sexual partners. [28] Therefore, the formation of trichromatic color vision in certain primate species may have been beneficial in recognizing the state of health/fertility of others.
Still, there's no denying the appeal of glasses that can change colors and styles in an instant. And if you use the YAHOO15 code, you can get tops for closer to $21 — a little more palatable.
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