Purkinje phenomenon

noun

Medical Definition of Purkinje phenomenon

: a shift of the region of apparent maximal spectral luminosity from yellow with the light-adapted eye toward violet with the dark-adapted eye that is presumably associated with predominance of cone vision in bright and rod vision in dim illumination

— called also Purkinje effect, Purkinje shift

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Cite this Entry

“Purkinje phenomenon.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Purkinje%20phenomenon. Accessed 5 Jul. 2022.

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