Tôi có phải cung cấp theo toa khi đặt hàng?
Yes, this is to verify that your have ordered the correct prescription. The improper wear and care of contact lenses can cause eye infections that can lead to serious, long-term damage, including vision loss.This is needed for buyer from the US. The most efficient way is to email your prescription slip to us together with your order number or fill up the form here.You can provide us a copy of your valid prescription written by eye care professionals. You can either scan or snap a picture of your written prescription. Once the prescription is received, we will keep the record for you, you can check out anytime without the need to re-upload again.