My last prescription for contact lens was for a specific brand. Once I realized I wanted to go back to my last brand - I was told my current prescription didn't

My last prescription for contact lens was for a specific brand. Once I realized I wanted to go back to my last brand - I was told my current prescription didn't cover it. Instead of dealing with another appointment or calling up to complain - I just bought them from the a UK site willing to ship. So silly.