This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Viral, Subject name: Pharmacology
Gancyclovir is used intravitreallyfor treatment of- 
Select and explain. 
A. Influenza, B. Rhinovirus, C. HZV, D. CMV retinitis
D: CMV retinitis
Answer: D: CMV retinitis 
Explanation: Ans. is 'd' i.e,, CMV retinitis o Some drugs which are used intravitrealfy areBevacizumab : inhibits VEGF action; used in metastatic colorectal cancer; off label use as intravitreous injection to slow progression of neovascular macular degeneration.Foscarnet: CMV retinitis.Gattcyclovir : CMV retinitis.Ranibizumab : slow macular degeneration.Pegaptanib : neovascular age related macular degeneration.