On September 19 I ordered my glasses online, this is the second time I have done this process. Yesterday I received the lenses because I paid the priority shipping, only that the lenses arrived with permanent black Tint and I requested that the change be made when one went out in the sun, also another thing is that the left-sided lens arrived. With a little detail. That is why I am writing to you to know if I can return you and make the correct change, if I need to pay again or what guarantee we have when making these purchases online, I am really satisfied with the service of being able to do it from home, that is why I write and I am looking forward to your response. Concepcion Paz pazcony07@***.com.mx Thank you