Eye colour is a fascinating and special feature of human appearance considered amazing, shades can range from deep browns, icy blues, vibrant greens, to shifting hazels. Behind such beauty lies a matrix of pigments, genetics and light all working together to create the amazing array of human eye colours.

What is the Role of Melanin in Determining Eye Colour?

The single most important factor in affecting eye colour is melanin, a pigment found in the iris which is the colored ring surrounding the pupil. The more pigment there is and its distribution-in the iris, the more brownish, the greater the proportion of light which is absorbed and so forth. The brown eyes are said to be formed by the very high concentration of melanin and they absorb lighter and thus are darker.

The blue eyes have

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