Contents

Search

anisocoria

Unequal size of the two pupils, significant is > 1 mm difference. Etiology: 1) Horner's syndrome on the side of the smaller pupil - ptosis may be present 2) 3rd nerve palsy on the side of the dilated pupil - occulomotor abnormalities are generally present 3) benign (simple) anisocoria 4) monocular pseudophakia Clinical manifestations: - in benign anisocoria, pupil inequality is variable - may change from 1 hour to the next

Related

pupil (P)

General

sign/symptom

References

  1. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  2. Medical Knowledge Self Assessment Program (MKSAP) 11, American College of Physicians, Philadelphia 1998