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Supertopics:
Visible Light
Particular Senses
Vision / Sight / Seeing
Subtopics:
Color
Psychology of Color
Copyrighting Colors
Eye Medicine (The Field of Medicine)
Eye Problems
Optometry and Ophthalmology
Optical Illusions
cafe wall optical illusion
web
Victoria Skye
the mind-boggling Ames window illusion (video)
web
YouTube
2018-09-01