I just read in a book that the receptors in or eyes primarily record <I>changes</I> in contrast levels. It is not the object, it's more the derivata of the object you see.<P>If the eye was held static ...

Can we reveal objects that are hidden in environments completely opaque to the human eye? With conventional imaging ...

A new study from Denmark showed that after taking eye drops that helps prevent longsightedness, most participants were able ...

Here's how to figure out how to get something out of your eye, and when you need to consult a medical professional instead.

A man captured a mysterious flying object speeding past while walking his dog. Andrew Clifton, 40, was out with his five-year-old Labrador, Dash, in the Malvern Hills last Saturday (August 2) when he ...

When a camera whips around from one point to another, most people expect the fast movement to result in a blurry smear. What they don’t realize, however, is that our own eyes engage in a similar kind ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...