Dr. Yang is a licensed Ophthalmology in CA. Graduated in 2007. Medical degree obtained from UCSF School of Medicine. Completed residency training at Standford Medicine. Currently practices at Jon Yang MD (Jon Yang MD), located at 929 Clay St, San Francisco, CA 94108. Dr. Yang specializes in cataract, glaucoma, tear film dysfunction/dry eye, macular degeneration, diabetic retinopathy, and many other problems.. In addition to English, Dr. Yang speaks Mandarin and Cantonese.