optical illusion

The stairs curve and stretch toward an unseen bottom floor, so tall and disorienting that it looks like an optical illusion.

Stormont officials have commissioned consultants to help address an "optical illusion" along a Belfast footpath that has caused pedestrians to trip and fall.

They had an idea to incorporate a 3D illusion and trompe l’oeil effects into a Kobe mural they were planning, and since optical illusion murals are my specialty they reached out to me.

The last sequence is an astonishing optical illusion to behold.

"This document is little more than an optical illusion. This, in our opinion, will not address the enormity of the challenge we all face."