Mister Spex is proud to be the largest online optician, at least in Germany. Believe it or not, it boasts of a turnover of over 26 million euros in 2012 alone. Since its launch in the late 2000s, it has steadily grown to become the market leader that it is today. It is for this very reason that it can afford to offer the best prices in the industry. As a matter of fact, it allows its customers to save even more as long as they shop with a Mister Spex voucher.