Our perception of how large or small things are in the world is systematically influenced for how we perceive distance or depth. This is most famously shown by the Ponzo Illusion (discovered by Mario ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When you look at an object that's very distant from you, how well can ...

Depth perception is a fundamental aspect of vision, affecting everything from driving and playing sports to simple daily tasks. As LASIK surgery continues to be a popular vision correction option, ...