Please confirm your own minus prescription at your local optical shop or professional hospital before purchasing, so it is convenient to purchase, and return and exchange due to prescription problems are not supported. Return goods must be there in the buyer's responsibility and delivery fee.
Preventive action:
After receiving the product, please soak it in the treatment solution for 6-8 hours before using it. It is recommended that you wear it no more than 8 hours a day. If you have any questions, please contact us in time.