This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
The laser procedure, most often used for treating iris neovascularization is – 
Select and explain. 
A. Goniophotocoagulation, B. Laser trabeculoplasty, C. Panretinal photocoagulation (PRP), D. Laser iridoplasty
C: Panretinal photocoagulation (PRP)
Answer: C: Panretinal photocoagulation (PRP) 
Explanation: Treatment of choice for rubeosis iridis is panretinal photocogulation.