Optive Sensitive Lubricant Eye Drops 0.4ml X 30 Vials is an advanced dry eye relief by providing a dual action formula that moisturises the surface of your eye while also hydrating the areas where the dry eye starts- giving your eye a long lastingmoisturing protection. Many things can make your feel dry gritty or uncomfortable, air conditioning, heating, computer use, reading, some medication, wind or a reduction of tears yours body produces. For the temporry relief of burning, irritation and discomfort due to dryness of the eye exposure to wind or sun. May be used as a protectent against further irritation.Optive Sensitive Lubricant Eye Drops 0.4ml X 30 Vials.