Ophthalmology The diagnostic triad of exophthalmos, diabetes insipidus and bone lesions is characteristic of A Fibrous dysplasia B Letterer-Sieve disease C Osteoporosis D Hand-Schuller Christian disease 💡 Explanation The diagnostic triad of exophthalmos, diabetes insipidus and bone lesions is characteristic of ✓ Correct Answer: D. Hand-Schuller Christian disease