Optical illusions play tricks on your brain and can make you see ... which receive and transmit information coming into the eye. Ganglion cells are excited by light, and the intersections of ...

We selected a few optical illusions to test your perception of reality. Produced by Robert Libetti Follow BI Video: On Facebook More from Science Things are not always what they seem. While most ...

For a group of certain professionals, years of training have sharpened their vision so much, even optical illusions struggle to trick them ... and requires a real keen eye to spot.