PRISM Vision Group, an integrated eye care services organization, completed the acquisition of Seidenberg Protzko Eye Associates, a provider of full-service comprehensive eye care. Financial terms were not disclosed. "We are excited to welcome the doctors and team of SPEA to Prism as we continue our mid-Atlantic expansion. Their clinical reputation and extensive presence in the Northeast Maryland area will complement our strategy to be America’s premier independent, integrated eyecare organization," Dr. Steven Madreperla, Prism Vision Group president and CEO.