Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as lecture material. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology in Stockholm blindness. Different types of defective color vision. Tritanopia, the pins sensitive to high frequency light (young. Blue-violet) is completely out of order. Confuse blue and yellow shades.

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Size: 2161px × 2313px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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