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
[{'content': '"Elschnig Pearl" in papillary aperture is a sign of \nSelect and explain. \nA. Acute iridocylitis, B. Pseudoexfoliation syndrome, C. After-cataract, D. Secondary cataract', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. c (After cataract) (Ref. Basak, Ophthalmology, 2nd ed., 182)AFTER CATARACT# Posterior capsular opacification following ECCE & discission of congenital/traumats cataract.# More common in children# Elschning's pearl (Balloon lens-cell)# Soemerring's ring (Ring behind iris formed by lens fibers)# Treatment:- Discission or needling- Capsulotomy/membranectomy Nd-YAG Laser capsulotomy (safe, noninvasive & quick OPD procedure)", 'role': 'assistant'}]