Do we SEE in 3D or is our Space 3D? To see things in 4D do you need 4D eyes for 4D space?

Question

Do we SEE in 3D or is our Space 3D? To see things in 4D do you need 4D eyes for 4D space?

In: 1

Answer 1

We see from light going into our eyes, then being interpreted in our brain. The light comes from 3D lighting and surfaces. We “see” in 3D