OSA is the Optical Suppliers Association, previously known as the FMO (Federation of Manufacturing Opticians) which was founded in 1917. We continue to offer a platform for UK optical manufacturers and suppliers to communicate, educate and innovate whilst supporting and protecting their interests. Providing a thriving network for companies engaged in all aspects of manufacturing, distribution and supply of spectacle and contact lenses, lenses, ophthalmic instruments, and equipment, as well as offering business services to optical practices.