ROHTO VITA 40a Eye Drops – 12ml. Treats revitalize tired and red eyes well. Helps reduces irritation, redness and itchy eyes. Cool mild sensation. Vitamins enhances tear replenishment and reduces eye fatigue. Rohto produces leading eye drops in Japan – trusted since its establishment in 1899. How to use: 1-3 drops per use and up to 5 times per day.