DULUTH, Ga.--(BUSINESS WIRE)--National Vision Holdings, Inc. (NASDAQ: EYE), one of the largest optical retail companies in the United States, announced today that its annual scholarship program is open for entries, offering eligible optometry students the opportunity to win up to $7,500. This year's scholarship program challenges students to explore the topic of "Emerging Technology in Optometry.†Third- and fourth-year optometry students are invited to submit written or video essays discussing. ...