Use: Optiserum is recommended for removing any impurities from the eyes, as well as for soothing irritated and dry eyes. It is suitable for adults and children over 2 years old. How to take: Before using the product, wash your hands. Optiserum is applied in the same way as eye drops. Application can be repeated 1-6 times a day as needed. The bottle is for single use. Contraindications: Do not use Optiserum with contact lenses in place. The product is suitable for adults and children aged 3 years and older. Pregnant and breastfeeding women, the elderly, and people with impaired kidney function should consult a doctor before use. Storage: Do not store the remainder for subsequent use, as the sterility of the solution is no longer guaranteed.