retinal arterial tortuosity

An artery disease characterized by pronounced tortuosity of second- and third-order retinal arteries with normal first-order arteries and venous system that has_material_basis_in heterozygous mutation in the COL4A1 gene on chromosome 13q34.

Signs and symptoms

• Retinal arteriolar tortuosity
• Retinal hemorrhage
• Photophobia
• Visual loss

Also known as: RATOR; retinal arteriolar tortuosity; retinal hemorrhage with vascular tortuosity; tortuosity of retinal arteries