MCG Capital Corporation announced the closing of its investment in IDOC, LLC consisting of senior debt and equity.

IDOC, a portfolio company of The Riverside Company, is comprised of an alliance of independent optometrists throughout the U.S., including practices representing more than 1,400 optometrist members. The IDOC investment is MCG’s first with The Riverside Company, a private equity firm focused on acquiring growing businesses valued at up to $200 million.

MCG Capital Corporation is a solutions-focused commercial finance company providing capital and advisory services to middle-market companies throughout the United States.