We tried a “dog vision” filter to emulate the way a dog sees the world. We used the filter to see if we could predict which toy Magnus would pick out. Human eyes have three different types of cones, which allows us to identify combinations of red, blue, and green. Dogs, on the other hand, have only two types of cones, which means they can only discern blue and yellow. As a result, dogs are red-green colour blind. While humans have more cones, allowing us to see all the colours of the rainbow in

15 reactions | The Vision 60 Robot Dog by Ghost Robotics is a smart...

33K views · 1.2K reactions | There is a nice over simplification of what colors dogs (and cats) can see, and why! If you never hear from me again, just assume the ophthalmologists put a hit on me for this video not being super specific ;-) | Dr. Frank Bozelka - ER Vet | Facebook