Thai Optical Group Public Co. Ltd. engages in the manufacture and distribution of plastic lens and related products. It operates through the Plastic and Glass Lens and Other Products and Services segments. The Plastic and Glass Lens segment produces and sells optical lenses. The Other Products and Services segment includes sale of glass mold, trading goods purchased for resale, glasses assembly services and surface treatments of hard coatings and anti-reflection coating service for organic lenses. The company was founded by Pratheep Pracharktam and Kamron Pracharktam on March 8, 1991 and is headquartered in Nonthaburi, Thailand.