I went to Specssavers to change the lenses, they refused to change lenses unless a new eye test was done. Did then then the test, however been sold another eye pressure test for glaucoma and eye muscles, no issues. But this test should not interfere the results of your eye test But it should not done straight away after the pressure test, it may interfere depend how long it takes for the blurriness to subside . They then changed my original grade from +1.50 to +2.75, if one individual change from one day to another day the grade this individual must be very ignorant with its own eyesight which is not my case, I only use my glasses for painting nails . I refused to have the changes and asked to have my original grade and I am still waiting after 3 weeks. The only way for them to make money is by changing grades of your glasses then they try to convince you that you will get use to the changes, which made almost vomit and gave me so much headache for using the glasses for just 45 minutes. I went back returned and I am still waiting for the inefficiency of the staff that are brainwashed to sell more. They are scammers