LanguageLao, Thai, EnglishExpertise Ophthalmologist Glaucoma Education Doctor of Medicine, Faculty of Medicine, University of Health Sciences - Vientiane, Laos Certification of Ophthamology, Thammasat Eye Center, Faculty of Medicine, Thammasat University, Thailand Certification of Glaucoma Fellowship, Thammasat Eye Center, Faculty of Medicine, Thammasat University, Thailand