Any animal’s eye color is determined by its levels of two melanin pigments: eumelanin, which makes brown-black, and ...

While most wild animals have a very limited range of eye colors (usually black, brown, and yellow), wild cats have strikingly colorful eyes.

Spring fashion’s wild new shapes and bold adornments extend from head to toe in striking hues. Louis Vuitton dress, $8,250, and hat, price on request, louisvuitton.com.Credit...Photograph by ...

Bacterial conjunctivitis can cause a red eye that may or may not have a mucus discharge. Bacterial conjunctivitis can resolve without treatment, or it may be treated with antibiotic eye drops. It ...