is 226.25 KB, has a resolution of 1024x1024 pixels and was uploaded on July 31, 2020 @ 11:16 am by user: lukasler. It is filed under the tags: optics, sphere, eye, symmetry, black and white. Click the blue button at the top to freely download: Optician Ehrenstein Illusion Optical Cornsweet Illusory Contours png.