Dr. Tseng is a licensed Optometry in CA. Medical degree obtained from New England College of Optometry. Currently practices at Silicon Valley Eye Physicians (Silicon Valley Eye Physicians), located at 1010 W. Fremont Ave, Sunnyvale, CA 94087. Dr. Tseng specializes in hybrid contact lenses and scleral lenses for presbyopia, high refractive error, keratoconus, corneal ectasia/irregularity/diseases, post-surgical cornea, dry eye etc.. In addition to English, Dr. Tseng speaks Mandarin.