This product uses natural plant extracts such as lutein and cassia seeds. It has been certified by authoritative experts and recognized by ophthalmologists. This eye patch has been widely used in the treatment of myopia, astigmatism, cataract, eye bags, crow's feet and other eye diseases. How to use: Wash your hands, take out the eye patch, close your eyes, and apply the eye patch on your eyes. Use 2-3 times a day, apply for 10-15 minutes each time (occasionally you can stick to your eyes overnight without affecting the effect)