Chris M. Zapper, OD 1255 S Diamond Bar Blvd, Diamond Bar, CA 91765, United States of America +1 909-861-4999 Thursday 9 am to 6 pm Friday 9 am to 6 pm Saturday 8 am to 2 pm Sunday Closed Monday Closed Tuesday 9 am to 6 pm Wednesday 9 am to 6 pm Reviews Map