On July 19th, 2022, The faculty members of the Department of Ophthalmology: Dr. Chinnapat Montrisuksirikun, Dr. Usanee Seepongphun, Asst. Prof. Sutasinee Boonsopon, Assoc. Prof. Nattaporn Tesavibu, Prof. Pinnita Tanthuvanit, Assoc. Prof. Pitipol Choopong, and Dr. Sathiya Kengpunpanich, welcomed Assoc. Clin. Prof. Paul A. Gaudio from Yale Medical School, USA, to serve as Siriraj International Scholar at the Department of Ophthalmology from July 19th – 25th, 2022. On his first day at Siriraj, Assoc. Clin. Prof. Gaudio has delivered a lecture on the topic “Useful Steps in Evaluating Ocular Inflammation” for the faculty staff of the Department of Ophthalmology, Faculty of Medicine Siriraj Hospital, Mahidol University.