NEW YORK—The collective estimated sales of the Top 10, as a proportion of the Top 50 U.S. Optical Retailers, is pronounced, as it’s been for the past several years. Based on calendar year 2015 estimates, the Top 10’s share of the Top 50 amounted to 86.3 percent of the Top 50’s total. This was on par with the 86.1 percent share of last year’s Top 10.

The mass merchants/wholesale clubs amounted to a collective, estimated 26.7 percent of the Top 50’s total estimated sales for the 12 ME December 2015. The Top 10’s collective retail dollar share of the total U.S. vision care market amounted to 30.5 percent of the total, or about $10.5 billion of the total market’s $34.4 billion in revenues.