His areas of expertise include diabetes, macular problems, and eye exam. He is professionally affiliated with Houston Methodist. Dr. Tzu is an in-network provider for Blue Cross Blue Shield Bronze, Blue Cross Blue Shield HMO, and Blue Cross Blue Shield Gold, as well as other insurance carriers. Dr. Tzu's practice is open to new patients. Before performing his residency at Bascom Palmer Eye Institute, Dr. Tzu attended Johns Hopkins University School of Medicine.