GARDNER, Mass., April 29, 2019 (GLOBE NEWSWIRE) — Precision Optics Corporation, Inc. (OTCQB: PEYE) today announced that it has received a follow-on order totaling $2,216,000 from CardioFocus, Inc. for the manufacture of a cardiovascular endoscope to support the HeartLight Endoscopic Ablation System. Deliveries are scheduled to be made over two […]