Relating to the pupil.
- p. light-near dissociation a stronger near pupil response than light response; due to weak pupillomotor input, Argyll Robertson pupil, dorsal midbrain syndrome, or to misdirection of ciliary muscle fibers into the iris sphincter. SYN: light-near dissociation.
- relative afferent p. defect an asymmetry of the pupillomotor input between the two eyes; tested by alternating the light from one eye to the other and comparing the direct light reactions.
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pu·pil·lary also pu·pi·lary 'pyü-pə-.ler-ē adj of or relating to the pupil of the eye
Medical dictionary. 2011.