Familial LCAT (lecithin-cholesterol acyltransferase) deficiency (FLD) is a form of lecithin-cholesterol acyltransferase deficiency (LCAT; see this term) characterized clinically by corneal opacities, hemolytic anemia, and renal failure, and biochemically by severely decreased HDL cholesterol and complete deficiency of the LCAT enzyme. The disease is Familial LCAT deficiency (Orphanet_79293). Also known as: Complete LCAT deficiency, FLD, Norum disease.