3. References:
Links on Optical Illusions and Visual Perception

• A Web Collection of Optical Illusions
• Galleries of Illusions and EluZions
• Optical Illusions, Scientific Toys, Visual Effects, and Even a Little Magic
• Collection of Optical and Sensory Illusions - Introductory Level and Advanced Level
• A Study of Different Geometric Effects
• The Joy of Visual Perception: A Web Book
• Mighty Optical Illusions
• Encyclopedia Britannica on Perception

top

Source:  Optical Illusions