What is the most eye-catching word posted at the door of the optical shop! ! Thank you all

At first glance, this is a low-end optical shop. Sticking a few words on the glass can attract people. Optical shops earn long-term business instead of small profits. Thinking about how to do a good job in service is the right way. I don't think the store opposite you can attract people to buy it just by writing the words "glasses come back" on the glass. Wool comes from sheep, so don't underestimate the IQ of current buyers. If you have to compete with your opponent in a few words, write: return your glasses to gold.