I usually go to Specsavers where I have a contact lens subscription and just buy glasses now and again. I would like to get a pair of Ray Ban prescription glasses but they don't do them, vision express do. I don't want to get another eye test as I only had one done last year, can I ask Specsavers what my prescription is and just tell vision express....I feel like I am cheating on Specsavers not that it really matters as they are a chain!!!