Optive 10ml is a dual action lubricating and moisturising comfort solution for your eyes which promotes eye comfort and contributes to long term lubrication of your eyes to stop them drying out. CMC artificial tears and glycerine moisturise the tear film creating a protective shield on the eyes surface and providing long lasting relief. Suitable for use with all types of contact lenses, preservative free. It is also preserved with PURITE a preservative in the bottle which breaks down into natural tear components on the eye. OPTIVE is compatible for use with all contact lenses.