Dr. Chain is a licensed Optometry in CA. Medical degree obtained from Illinois College of Optometry. Completed residency training at VA Long Beach Healthcare. Currently practices at Spotlight Optometry (Spotlight Optometry), located at 7835 Highland Village Pl, San Diego, CA 92129. Dr. Chain specializes in Diabetic Retinopathy, Glaucoma, Macular Degeneration, and Cataracts. . In addition to English, Dr. Chain speaks Taiwanese and Mandarin.