Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

Ever wondered what the most common eye colors are? Well, they might not be exactly what you expected them to be.

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like individual fingerprints, making our eyes two of the most distinctive parts ...

Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene. The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for ...

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I read countless young adult novels which described the captivating blue eyes or striking hazel hues of the female protagonists. ‘Boring’ brown eyes were hardly a fitting feature for the main ...