Licocaine for numbing the eyes?
For a project I have to numb my eyes (not both at the same time but one by one). Now a bit of research revealed that there are eyedrops containing lidocaine but they aren't legally available in my country. Anyway, I still have some 2% lidocaine solution for injecting. The indrigents are basically just saline + lidocaine hydrochloride 1 h2o. Are there any dangers if I drop (not inject ofc.) this in my eyes? Any hints how many drops I would need?