II. Pathophysiology

  1. Normal variant
  2. May be seen in younger persons with widened pupils
  3. Images
    1. EyePupillaryReactionNeuroPath.png
    2. EyePupillaryReaction.png

III. Signs

  1. Sluggish pupil reaction with prolonged latency
  2. May be unilateral

IV. Diagnosis

  1. Differentiate from Argyll Robertson Pupil
  2. Tonic pupil dilates with Atropine

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