Dry eye disease affects millions of people, causing burning, redness, and constant eye fatigue that can worsen over time. Scientists now believe the problem may begin deep inside tear glands, where a ...

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.

Few biological facts seem as irrevocable as brain death. It has long been assumed that when we die, our neurons die with us. But a new study on the neuron-packed tissue of the eye is beginning to ...