glit • ter

perceptual abstraction, doesn't it all depend on how you see it?

 Op - Art 1960's

When the viewer looks at the optical illusions, the impression given is of movement, hidden images, flashing and vibration, patterns, or alternatively,  swelling or warping.

• Miss. Bridget Riley Op British Artist

"We often see things that are not there and fail to see things that are."