A 70-year-old man presented to the ophthalmology clinic with a 1-year history of progressive bluish discoloration of the sclerae of both eyes. He reported no ocular discomfort or blurry vision. He had previously received a diagnosis of an inflammatory arthritis for which he had been taking minocycline for more than 15 years.
Examination was notable for bluish discoloration of the sclera of both eyes and pinnae of both ears. Ophthalmologic examination was otherwise normal.
What is the diagnosis?