A 78-year-old Caucasian man with significant vascular disease reported sudden onset of worsened vision during a routine wound-care appointment for nonhealing necrotic leg ulcers. He described painless blurring of vision with grey scotomas in his right eye, his only well-seeing eye, after trauma to the left eye as a child. He presented with retinal ischemia, a cotton wool spot, and optic nerve swelling. Temporal artery biopsy showed myxoid degeneration and extensive calcium deposition, which also was present on imaging throughout his carotid and vertebral arterial system-the clinical picture of calciphylaxis.
Keywords: calciphylaxis; ischemic optic neuropathy; painless vision loss; retinal ischemia.
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