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 ...

The brown eyes of a 6-month-old boy turned a deep indigo blue after he was given the antiviral favipiravir to treat COVID-19. This case is unusual, but it's not the first time doctors have ...

A six-month-old infant was prescribed an antiviral drug to treat Covid that changed his dark-brown eyes to a bright blue in just 18 hours after receiving the first dose administered as a syrup.

Melanin is a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.

Diffuse iris melanomas are extremely rare, accounting for 7–10% of all iris melanomas. 330, 333 Clinically, diffuse iris melanomas classically present as a patient with unilateral hyperchromatic ...

An ancient European hunter-gatherer man had dark skin and blue eyes, a new genetic analysis has revealed. The analysis of the man, who lived in modern-day Spain only about 7,000 years ago, shows ...

Dark mode may cut down on your exposure to blue light, but you may also achieve these results by turning down the brightness of your screen after dark, especially when the space around you is dark.