blepharoptosis; ptosis; lid lag

Introduction

Drooping of the eyelid.

Etiology

• cranial nerve III lesion
• Horner's syndrome
• myasthenia gravis
• cavernous sinus thrombosis
  • Tolosa-Hunt syndrome
• mechanical:
  • levator superioris dehiscence* (most common cause in elderly)
• Graves disease
• trauma
• mass

* gradual stretching of the levator superioris aponeurosis

Clinical manifestations

• cranial nerve III palsy
  • extraocular movements abnormal
  • diplopia
• Horner's syndrome
  • ptosis, miosis, facial anhidrosis

More general terms

• sign/symptom
• eyelid disease

Additional terms

• exophthalmos (proptosis)