12ml Rohto Z! Eye Drops feature super cooling refreshing sensation, effective in refresh tired eyes and prevent ultraviolet rays damage such as at the time of outdoor sports! Use for: Eyestrain, the eye disease prevention (after swimming, or when sweat or dust gets in your eye), ophthalmitis caused by ultraviolet rays or other rays, discomfort when wearing hard lens, conjunctiva hyperemia, itch of eyes, blepharitis (inflammation of eyelids), haze (time with much eye mucus) of eyes Directions: Instill 2 to 3 drops at a time; 5 to 6 times daily.