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
After cataract is best treated with: 
Select and explain. 
A. ARGON LASER, B. Nd-yAG LASER, C. EXIMER LASER, D. Holmium LASER
B: Nd-yAG LASER
Answer: B: Nd-yAG LASER 
Explanation: Ans. b (Nd-yAG LASER). (Ref Basak, Ophthalmology, 2nd ed., 182)AFTER CATARACT# Posterior capsular opacification following ECCE & discission of congenital/traumatic cataract.# More common in children- Elschnig's pearl (Balloon lens-cell) 0- Soemerring 's ring (Ring behind iris formed by lens fibers) Q# Rx:- Discission or needling- Capsulotomy/membranectomy Nd-yAG LASER capsulotomy (safe, noninvasive & quick OPD procedure).0