Antiphospholipid Syndrome, Familial, also known as lupus anticoagulant, familial, is related to antiphospholipid syndrome and thrombophilia due to activated protein c resistance, and has symptoms including unspecified visual loss An important gene associated with Antiphospholipid Syndrome, Familial is ATPLS (Antiphospholipid Syndrome, Familial). Related phenotypes are venous thrombosis and retinal detachment