NEW YORK—Vision Monday released its annual ranking of the Top 50 U.S. Optical Retailers today, which cumulatively reached a record $12 billion in sales for calendar year 2015. The dollars reflect a respectable sales performance for most of the year and include revenues from the sales of products, eyecare services and, when applicable, a small percentage of online sales.

Most of the movement in the Top 50 rankings, particularly among the Top 10 and Top 25, was propelled by the effect of a number of private equity investments in the optical market which created both consolidation as well as expansion among several new market leaders.

See who made the Top 50 here: Retail Ri$ing: Private Equity Powers Market’s Growth and Reshuffles VM’s Ranking.