Dr. Yu is a licensed Optometry in CA. Medical degree obtained from UC Berkeley School of Optometry. Currently practices at Prime Care Optometry (Prime Care Optometry), located at 20355 Stevens Creek Blvd, Cupertino, CA 95014. Dr. Yu specializes in dry eyes, using the antioxidant and specialty bifocal lens fitting to fit their visual needs as their eyes change with age.. In addition to English, Dr. Yu speaks Mandarin and accepts new patients.