True statement about Band shaped Keratopathy is: (A) Iron deposition in Bowman's membrane, (B) Calcium deposition in Descemet's membrane, (C) Iron chelating agents are used for treatment, (D) Sarcodosis can be a cause
Answer is D. Bone Shaped Keratopathy

Degeneration disease occuring due to calcium deposition in Bowman's membrane.

Etiology -

Hypercalcemia
Still's disease
Sarcoidosis

Treatment :

Chelation with EDTA