Eye drops can not be mixed drops, if you suffer from a certain eye disease need to be low 2-3 kinds of eye drops, or even more kinds of eye drops, the need for two kinds of eye drops between the interval of 20-30min, but there is no order of dropping the drug, which first drop which kind of eye drops, after the drop of which kind of medicine is not related, but two kinds of eye drops mixed drops are prone to produce undesirable chemical reactions, and some drugs at the same time drop will also cancel each other’s role in the drug. Eye drops into the conjunctival sac 1-2 drops can be, need to close your eyes 3-5min after dropping, at the same time need to press the lacrimal sac, that is, the root of the nose 2-3min, especially with special effects of eye drops to avoid side effects.