Dual action moisturising drop, frequently prescribed by doctors in a bottle that lasts 6 months after opening. Protects and lubricates the surface of the eye from mild to moderate symptoms.Optive drops have a unique formula that offers lubrication and protection to the cornea for long-lasting relief from mild to moderate dry eye symptoms. Use Optive Plus or Optive Fusion for more severe symptoms.They are dual action, lubricating the eye surface as well as helping restore the surface health of the eye.The active ingredients are sodium carboxymethylcellulose, also called carmellose sodium, which is a lubricant to reduce water loss and glycerol, a non-blurring and long-lasting protective moisturiser.The multi-use bottle can be kept for 6 months after opening as it has a gentle preservative in called Purite, which breaks down in the eye as natural tear components.