TY - JOUR T1 - Pearls & Oy-sters: Anisocoria Greater in the Dark: It's Not Just All About Horner Pupil JF - Neurology JO - Neurology SP - 719 LP - 722 DO - 10.1212/WNL.0000000000011221 VL - 96 IS - 15 AU - Emily Witsberger AU - Sasha A. Mansukhani AU - John J. Chen AU - M. Tariq Bhatti Y1 - 2021/04/13 UR - //www.ez-admanager.com/content/96/15/719.abstract N2 - An initial step in the evaluation of anisocoria is assessing the pupillary light reflex. If a pupil is not responsive to light, then the near pupillary reflex needs to be evaluated. Unilateral light-near pupil dissociation occurs due to a lesion of the ciliary ganglion, postganglionic parasympathetic pathway, retina, or optic nerve. ER -