Dr. Yi Tong is an ophthalmologist from First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.He has been in Liberville,Gabon since November 2022 to provide a one-year medical aiding.He found that local residents’ awareness of glaucoma was very poor, and he hoped to teach residents to learn more glaucoma prevention and control knowledge through free consultation in Liberville,Gabon.