Dr. Jenny Mach-Hung, Optometrist 2505 El Camino Real, Tustin, CA 92782, United States of America Phone, Add place's phone number Monday 11 am to 7:30 pm Tuesday Closed Wednesday 11 am to 7:30 pm Thursday 10 am to 5:30 pm Friday 10 am to 5:30 pm Saturday 9 am to 5 pm Sunday Closed Reviews Map