On 7 November 2019, Dr. Nattawut Wanumkarng was invited to present his lecture on “Endoscopic Dacryocystorhinostomy (Endoscopic DCR)” during the 4th ASEAN Ophthalmology Society Congress (AOS 2019), held in conjunction with The 8th Indo-China Ocular Inflammation and Infection Meeting and The 18th Cambodian Ophthalmological Society Annual Congress. The event took place at Sokha Siem Reap Convention Center, Siem Reap, Cambodia, from 7 to 8 November 2019.

Dr. Nattawut’s lecture was part of the Oculoplastic Symposium, where leading ophthalmologists and oculoplastic surgeons from various countries gathered to share insights, techniques, and advancements in the field of ocular plastic surgery, specifically focusing on lacrimal surgery and related procedures.