Argyll Robertson pupil

(ar-gīl′ rob′ĕrt-sŏn)

[Douglas Argyll Robertson, Scottish ophthalmologist, 1837-1909]
A symptom often present in paralysis and locomotor ataxia (due to syphilis), in which the light reflex is absent but there is no change in the power of contraction during accommodation.
SYN: SEE: luetic pupil; SEE: Robertson pupil; SEE: stiff pupil