Mammals aren’t known for the ocular regenerative powers, but a new study shows that nature has a few tricks up its sleeve.

Scientists have devised a new video system that reveals how animals see color, and us. By Emily Anthes Is the sky truly blue? Forget cerulean — a bright, clear sky is actually dominated by ultraviolet ...

A group of scientists restored vision in a monkey by using human stem cells to fix a hole in its retina. The research could open new doors for vision treatment in humans and other animals, too. A new ...

Human vision relies on photoreceptor cells in the retina that react to visible light and trigger neurons in the optic nerve to send signals to the brain. Degradation of these photoreceptors is the ...

Vision is one of the most fascinating abilities in the animal kingdom. From birds that can spot prey miles away to sea creatures that see light we cannot even imagine, animals experience the world ...

A new study suggests that never-seen-before stem cells in the human retina can restore vision in mice with a common eye disorder. But more work is needed to translate the treatment to people. When you ...

This snail could one day save eyes. The golden apple snail has camera-type eyes that are fundamentally similar to the human eye. Unlike humans, the snail can regenerate a missing or damaged eye. UC ...

Every species perceives the world differently, and the distance at which animals can identify humans varies widely. Some rely on eyesight, others on scent, and many use a combination of senses.