J.D. Harris - Supplier of pinhole glasses which aid correction of poor vision. Product information, ordering and testimonials. - http://www.jdharris.co.uk/
Four Eyez - Manufacturer and distributor of fashion/novelty soft contacts. Details of range and prices. - http://www.foureyez.com/
Trayner Pinhole Glasses - Used to help correct poor vision. News, testimonials, glossary, technical information and ordering. - http://www.trayner.co.uk/
Premiere Optical - Manufacture hand-crafted glasses and spectacle frames for opticians, the Theatre, TV and Film industries. Metal and plastic repair and glazing service. - http://www.premiere-optical.co.uk