Question: What are some notable optical illusions ?
Answers:
answer_text: Afterimage illusion
answer_text: Ambigram
answer_text: Ames room illusion
answer_text: Autostereogram
answer_text: Beta movement
answer_text: Café wall illusion
answer_text: Checker shadow illusion
answer_text: Chubb illusion
answer_text: Cornsweet illusion
answer_text: Delboeuf illusion
answer_text: Ebbinghaus illusion
answer_text: Ehrenstein illusion
answer_text: Forced perspective
answer_text: Fraser spiral illusion
answer_text: Gravity hill
answer_text: Grid illusion
answer_text: Hering illusion
answer_text: Hollow-Face illusion
answer_text: Hybrid image
answer_text: Impossible object
answer_text: Jastrow illusion
answer_text: Mach bands
answer_text: Missing square puzzle
answer_text: Moon illusion
answer_text: Müller-Lyer illusion
answer_text: Necker cube
answer_text: Orbison illusion
answer_text: Penrose triangle
answer_text: [[Peppers ghost]]
answer_text: Perceived visual angle
answer_text: Peripheral drift illusion
answer_text: Phantogram
answer_text: Phi phenomenon
answer_text: Poggendorff illusion
answer_text: Ponzo illusion
answer_text: Sander illusion
answer_text: Swept-plane display
answer_text: [[Trompe-lœil]]
answer_text: [[Troxlers fading]]
answer_text: Wagon-wheel effect
answer_text: [[Whites illusion]]
answer_text: Wundt illusion
answer_text: Zoetrope
answer_text: Zöllner illusion