An eye dropper was a tool used to collect and distribute liquids. In 2372, Tom Paris recalled feeding a baby bird with an eye dropper, which inspired him to use a hypospray to feed the reptohumanoid he and Neelix encountered on Planet Hell. (VOY: "Parturition") In 2374, Jadzia Dax mused to Quark that whoever decided to put liquid latinum inside solid gold probably got tired of making change with an eye dropper. (DS9: "Who Mourns for Morn?")