Ophthalmology Unilateral proptosis in a 40 year old lady is commonly due to: March 2011 A Cavernous hemangioma B Orbital cellulitis C Graves ophthalmopathy D Metastasis 💡 Explanation Unilateral proptosis in a 40 year old lady is commonly due to: March 2011 ✓ Correct Answer: C. Graves ophthalmopathy