Fleischer ring is due to
Iron deposition
Copper deposition
Aluminum deposition
Molybdenum Deposition
(Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 194)Some confusion exists between Fleisher rings and Kayser-Fleischer (KF) ring. Kayser-Fleischer (KF) rings are caused by copper deposits and are indicative of Wilson's disease, whereas Fleischer rings are caused by iron deposits and are indicative of keratoconus.
Cornea and sclera