Eighteenth and ninteenth century doctors and scientists knew this and expiramented with the vulnerability of the eye to manipulate our vision. It could be something as simple as an optical illusion to make an image appear 3D or something complex like an immersive panoramic display.
So before you tout your Oculus Rift as the cornerstone of VR technology, we've got to take a trip back in time to its predecessors. What early VR devices lacked in technology, they made up for with acute understanding of human vision, what it takes to bend it, and how to create a different reality, if only for a moment.

Infographic by: www.framesdirect.com