Fechner's paradox
Fechner's paradox
Subjective impression of a decrease in the brightness of a field when viewing it binocularly, after one eye that was closed looks through a dark filter (about 5% transmission). This is paradoxical since more light is received by the eyes when the field is viewed binocularly, as compared to monocularly.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
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