The new model mimics the structure and function of the human conjunctiva in a lab dish, even producing its own tears. When you purchase through links on our site, we may earn an affiliate commission.

A widely popular idea in psychology and evolutionary science suggests that the distinctive look of the human eye—particularly the white area surrounding the iris—evolved to help us communicate ...

A hidden cellular cleanup system may hold the key to healthier tear glands—and new hope for treating dry eye disease.