West Street Capital Partners VII, a fund managed by Goldman Sachs Group Inc.'s merchant banking division, agreed to acquire Capital Vision Services LP from private equity firm Altas Partners LP and Canadian pension fund Caisse de dépôt et placement du Québec.

Financial terms of the deal were not publicly disclosed. The Wall Street Journal, however, had reported that the deal is valued at $2.7 billion, inclusive of the company's debt.

Capital Vision Services provides management services to MyEyeDr. O.D.'s optometry practices. It also supports optometrists by providing financial, marketing, human resources and accounting services together with managed care credentialing and claims processing, according to a press release.

The deal is subject to regulatory approvals and closing conditions and is expected to close in the third quarter.