It can happen at a carnival or on the dance floor--that moment when you stop spinning and the world starts spinning around you.
3D TV and movies seem to be all the rage but are they harmful to eyes?
Eagle's have very different vision compared to humans.
You probably have noticed that cats have slit pupils and humans have round pupils. What are the advantages of each pupil shape?
When it comes to common eye myths, what is true and what is false?
Look in the mirror... do you see your eyes move? Learn about saccade.
It turns out, tears are more essential than might have thought. This Moment of Science looks at the chemistry of tears.
Amber tinted sunglasses make things appear much sharper because they block the blue and red parts of sunlight.
Owls use their giant, staring eyes and that amazingly swivel-prone neck as part of an overall system for catching prey.
If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.