《英文msh词典》Pupil,Tonic
[同义词] Pupil,Tonic
[主题词] Tonic Pupil
[中文释义] 瞳孔,紧张性
[英文释义] 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)