Tonic Pupil

Myotonic Pupil; Pupillotonia; Tonic Pupil, Local; Tonic Pupil, Neuropathic; Adie Pupil; Adies Pupil; Myotonic Pupils; Neuropathic Tonic Pupil; Neuropathic Tonic Pupils; Pupil, Adie's; Pupil, Local Tonic; Pupil, Myotonic; Pupil, Neuropathic Tonic
A pupillary abnormality characterized by a poor pupillary light reaction, reduced accommodation, iris sector palsies, an enhanced pupillary response to near effort that results in a prolonged, "tonic" constriction, and slow pupillary redilation. This condition is associated with injury to the postganglionic parasympathetic innervation to the pupil. (From Miller et al., Clinical Neuro-Ophthalmology, 4th ed, pp492-500)