BOSTON—2020 On-site Optometry raised $3 million in an extension to its Series A-1, bringing 2020 On-site’s total fundraising to $7.9 million. 2020 On-site, a Boston-based start-up, delivers eye exams, glasses and contact lenses to offices and schools via mobile vision centers. The two-year-old company said it has already performed 10,000 exams at over 230 corporations.

This fundraising round includes investments from Morningside Ventures; Andrew Balson, CEO of Match Beyond; John Connolly, senior advisor of Bain Capital Ventures; RoAnn Costin, board member of Lululemon Athletica; Lee Linden, former head of commerce of Facebook; Mark Nunnelly, former managing director of Bain Capital; and David Sanderson, partner of Bain & Co; among others.

Operating in Boston and Atlanta today, 2020 launches in Chicago this fall. The company said it has grown from one full-time employee in 2014 to 26 today.