My Eye Physician Is Thinking Of Taking Me Off The

My eye physician is thinking of taking me off the Latanoprost. I am going to stop for two months and then go for a pressure check. The reason being that my previous eye physician put me on it for a specific reason and from then until now things look to him as though I can stop it. Now, I just opened a new bottle yesterday. If I refrigerate it and need to start using it in two months can I or should I throw it out?