Brown eyes are rich in melanin, which not only gives them their color but also provides natural UV protection. Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the ...

Eye color also influences how portraits are perceived. Modern image editors offer great opportunities to achieve both natural and fantasy effects. For example, using Retouchme, https://retouchme ...

Also referred to as eye tattooing, the process permanently changes the cornea from clear to opaque and covers over the natural iris color inside. But it doesn’t come cheap. The elective cosmetic ...

Colored contact lenses may help correct a person’s vision or have a cosmetic purpose, changing the color of the eyes. People may choose to purchase colored contact lenses with a natural look ...

Color vision begins with cones—light-sensitive ... to direct visible-wavelength lasers to individual cone cells, all while tracking natural eye movements. It’s not easy. The eye is always ...

Five scientists at the University of Berkeley used laser technology to selectively activate cells in their retinas, to push their vision beyond the natural ... colors normally seen by the human eye.