We’ve all experienced taking photographs in which everyone ends up with bright red devil eyes. No, your friends aren’t going to the dark side–it’s simply the effect of light...
They say “seeing is believing.” It is true that we tend to believe what our eyes tell us, but in the case of optical illusions, what our eyes tell us is not always the truth....
When you look at one of our contact lenses, they don’t appear to be more than tiny slivers of plastic. But each CooperVision contact lens is a highly sophisticated combination of...
If you know how our eyes work, you know they need light to see. So how do we see so well in almost complete darkness? Our eyes let us see an incredibly wide range of lighting...
The eye is one of the most complicated organs in the human body and takes years to fully develop. It must collect and focus light then convert it to an electrical signal that the...
If you work in front of a computer all day, or spend a lot of time watching tv and playing video games, you might have noticed your eyesight getting a bit blurry. This is due to a...
