洗せん眼がん剤ざいMeanings1nouneyewash; eyedrops; collyriumA liquid preparation used for washing or soothing the eyes. Often sold in pharmacies.花か粉ふん症しょうの時じ期きには、洗せん眼がん剤ざいを使つかうと目めがすっきりする。During hay fever season, using an eyewash makes my eyes feel refreshed.