Reduced retinal microvascular density in patients with mixed connective tissue disease: an exploratory pilot study on the interplay between aging, renal function, and complement system
Background Mixed connective tissue disease (MCTD) is a systemic autoimmune disease with overlapping features with systemic lupus erythematosus, systemic sclerosis, and inflammatory idiopathic myopathies, characterized by anti-U1-RNP antibodies. Although subclinical retinal micro…