visions

The lens borrows from eyeball mechanics for effortless changes in focus.

A unique genetic mutation and a well-wired brain mean that Concetta Antico is like no other artist on Earth.

Short answer: Not really.

If you wave your hand in front of your eyes, you'll think you can see it moving…even with an impermeable blindfold on.

About one in five astronauts report vision changes after space missions. A new, small study in mice takes a look at what might cause those changes at a molecular level.

An awesome, disorienting look at kitty vision.

Turrell, whose solo exhibit at the Guggenheim closes Wednesday, doesn't just play with the way our eyes work; he exploits how our mind processes images to reveal that at a fundamental level, everything we see is an illusion.

This is why it's so hard to catch a fly bare-handed.

Keep the foam in the tub, kids.

Dragonflies process light and dark a little differently than the rest of us.