Tesco has sold 500 pairs of eyewear online since launching its e-commerce site seven months ago. Admitting that online sales have been relatively slow, the British retailer says that customers are more likely to view frames online. Customers buying online have to visit a store to have the frames fitted, which retains the professional side of the sales transactions. In other developments, Tesco is developing and opening its own customer eyewear packages for business-to-business, for which it will be competing with Specsavers. The retailer, which sources its eyewear from Galaxy Opticians, is also continuing to expand its in-store opticians; it currently has 116 in-store opticians and is planning another 35 this year. The plan is to be present in every Tesco Extra by the end of the roll-out program.