Anatomy Enophthalmos is an uncommon feature of Horner’s syndrome. Enophthalmos is due to palsy of? A Levator palpebrae superioris B Superior tarsal muscle C Orbitalis muscle D Inferior tarsal muscle 💡 Explanation Enophthalmos is an uncommon feature of Horner's syndrome. Enophthalmos is due to palsy of? ✓ Correct Answer: C. Orbitalis muscle