MARCUS-GUNN PUPIL


  • Afferent pup. contraction defect; us. unilateral
  • Diff dx: vasc. occlussive dis., MS, meningioma, esp. involving sphenoidal wind; toxina, e.g. Pb; Inf., esp. sysphilis; Assorted hereditary conditions, e.g. Lieber's optic atrophy