This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
Which of the following does not involve lens capsule? 
Select and explain. 
A. Siderosis bulbi, B. Vossius ring, C. Glaukomflecken, D. Siderosis bulbi > Glaucomflecken
D: Siderosis bulbi > Glaucomflecken
Answer: D: Siderosis bulbi > Glaucomflecken 
Explanation: Ans. (D) Siderosis bulbi > GlaucomfleckenRef: American Academy of Ophthalmology, BSCS, Section 11/ p. 57-58Option a - Deposition of iron molecules in the trabecular meshwork, lens epithelium, iris and retina.Option b - During blunt trauma to eye a circular ring of faint or stippled opacity is seen on the anterior capsule of lens due to brown amorphous granules of pigment lying Q on the capsule. Option d - Chalcosis occurs when an intraocular copper containing foreign body deposits copper in Descemet's membrane & the anterior lens capsule.Option c - Glaukomflecken are small, grey-white anterior subcapsular or capsular opacities within the pupillary area which represent focal infarcts of the lens epithelium, almost pathognomonic for past acute-angle closure glaucoma.