Thai Optical Group Public Co. Ltd. engages in the manufacture and distribution of plastic lens and related products. It operates through the following business segments: Plastic & Glass Lens, and Other Products & Services. The Plastic & Glass Lens segment involves the production and sale of optical lenses. The Other Products & Services segment offers 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 Kumron Pracharktam on March 8, 1991 and is headquartered in Bangkok, Thailand.