Argyll Robertson pupil

noun
Ar·​gyll Rob·​ert·​son pupil | \ är-ˌgīl-ˈräb-ərt-sən- How to pronounce Argyll Robertson pupil (audio) \

Medical Definition of Argyll Robertson pupil

: a pupil characteristic of neurosyphilis that fails to react to light but still reacts in accommodation to distance

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