Contributors
Sidney Chang, M.D.
Sidney Chang, M.D. is a co-founder of COA Review. He is an ophthalmologist who practices at Maryland Vision Institute. He completed his residency at the Flaum Eye Institute, a Glaucoma fellowship at Washington University in St. Louis, and a Cornea/Refractive Surgery fellowship at the University of California, San Diego where he was voted as "Fellow of the Year". He has helped countless individuals obtain their COA certification. He hopes you find this website a valuable tool in your eye education! (LinkedIn)
Gus Stern, M.D.
Gus Stern, M.D. is a co-founder of COAReview. He is an ophthalmologist and works at Maryland Vision Institute. He has helped dozens of technicians pass their COA exam. He enjoys spending time with his wife Kirra and four daughters.
Jessica Higman, COA, OSA, OSC
Jessica Higman, COA, OSA, OSC is a main contributor and editor to COA Review. She works at Maryland Vision Institute where she holds a wide variety of clinical and surgical responsibilities. She has guided many technicians in obtaining their COA certification. She is excited to contribute toward the training and education of the next generation of certified ophthalmic assistants. (LinkedIn)