1DayコンタクトレンズわんでーこんたくとれんずMeanings1noundaily disposable contact lensesWasei-eigo term for single-use contact lenses worn for one day and then discarded.wasei-eigo (Japanese-coined English), from one-day contact lens旅りょ行こうのときは1Dayコンタクトレンズが便べん利りです。Daily disposable contact lenses are convenient when traveling.