I purchased a pair of Swarovski eyewear from this company to convert into my everyday eyeglasses...But, when I get to the optical center with they sunglasses, they were very crooked...The center tried to straighten them as best they could but they're still a little crooked and uncomfortable to wear....I sent Pretavoir an email about the situation and received a response saying, that they find it strange that the optical center couldn't repair them..No apology! I reached out a second time by phone, I explained everything and that I had no choice but to get my prescription lenses put in those..I was told all they had to do was put some heat on them to correct the problem..I explained that they don't put heat to glasses here...I finally said, hey I was really looking for an apology because I have to be uncomfortable in these crooked glasses for a year...Then she apologized...Then I received an email stating that I said the optical center fixed them and I was happy with my glass, fake new, I never said either statement which prompted me to tell my experience with this company...very sad...