A simple eye test could help detect dementia earlier, UC Davis researchers say

A UC Davis pilot study is exploring whether virtual reality eye exams can detect early signs of cognitive decline before ...

How many blue dots do you see? New optical illusion tricks the brain.

A new optical illusion excellently illustrates just how finicky our eyes are when it comes to perceiving colors.
Nature

The surprising science behind red-light therapy — and how it really works

People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some ...

Optical illusion test: Blue, purple or red-- what's the colour of this dot and the science behind it

A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...