“Higher melanin levels lead to darker pupils. Lower melanin levels lead to light or blue eyes.” Of course, not all blue eyes ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The ...

Your eyes perform a remarkable feat when transitioning ... This explains why distinguishing dark blue from black becomes increasingly difficult with age. Perhaps the most significant change ...

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It seems a little unfair. The ladies love blue eyes, and babies already have a cuteness advantage. The iris is the muscular ring around the pupil. And its color depends on a protein called melanin ...