what drops to use after an injection is a great question for your retinal specialist. The recommended drops vary with the doctors. I was handed 2 small single use drops to use. I was told I could recap after each use and use them until empty. I used my GenTeal nighttime gel when I got home. It worked great. Having said that I plan to ask questions when I get my next injection. Some community members report they are told to only use preservative free drops. I want to make sure I don’t use something that might lead to an eye infection. Warmly, Sharon Moore patient leader