Introduction

Wilson’s disease (WD) is a copper storage disease that results in copper accumulation in many tissues, including brain, kidney, liver and cornea. Kayser–Fleischer ring (K–F ring), which is a pathognomonic sign of WD, is resulted from extracellular copper deposition in Descemet’s membrane of the cornea.1 Sunflower cataract is another ocular manifestation of WD. K–F ring and sunflower cataract, however, are also present in eyes with retained intraocular copper foreign body. Because the treatments between WD and intraocular foreign body (IOFB) are totally different, it is important to differentiate …