HAMP and granular corneal dystrophy type II: ACD is described as a functional iron deficiency caused by elevated hepcidin levels, which implies that oral iron supplementation is unnecessary.14–16 Patients with ACD aged ≥50 years have a relative risk for mortality of 1.48 compared to adults without anaemia.17 To ensure proper treatment of ACD, the underlying cause needs to be elucidated and treated.