The human eye functions like an exceptionally precise, high-end camera, one with a resolution of around 576 megapixels. What ...

Studies have suggested that the contrast between the white of human eyes - known as the sclerae - and the colourful irises allows others to detect the direction of our gaze. The ability to detect gaze ...

A person’s eye color depends on how much of a pigment called melanin is stored in the front layers of the iris, the structure surrounding the pupil. Specialized cells called melanocytes produce the ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Heterochromia is the term used to describe a difference in a person’s eye color. Heterochromia of the eye is caused by variations in the concentration and distribution of melanin, the pigment that ...