Hydroeyes 0.05 percent Eye Drop is an eye drop that is used to treat dry eyes. It promotes increased tear production by reducing ocular inflammation (swelling). This lubricates the eyes and relieves pain. If the seal of Hydroeyes 0.05 percent Eye Drop is broken before you use it for the first time, do not use it.. If you wear contact lenses, make sure you take them out and wait at least 15 minutes before putting them back in. It may take many weeks to detect a difference in your dry eyes. Continue to take it as directed.