Investments Austin Retina – Round Rock 170 Deepwood Drive, Suite 105Round Rock, Texas 78681Burlington Ventures lead the acquisition & tenant finish-out for Austin Retina’s Round Rock location which was completed spring of 2009. Austin Retina – South Austin 4207 James Casey, Suite 301Austin, Texas 78735Burlington Ventures lead the acquisition & tenant finish-out for Austin Retina’s South Austin location which was completed spring of 2013.