The colour optimal for overlays differs from that optimal in tinted lenses, where the shade usually has to be selected with precision in order to obtain beneficial results. Professor Arnold Wilkins invented the Intuitive Colorimeter, an apparatus for determining the precise colour needed for tinted lenses, which is manufactured under licence from the Medical Research Council by Cerium Visual Technologies. Practitioners in the UK and overseas that use this system and can prescribe Cerium precision tinted lenses can be located in your region by visiting:
ChromaGen also manufacture a different range of tinted spectacle lenses and tinted contact lenses that can be prescribed to help visual stress. To find your local Chromagen practitioner visit:
Please note that Lucid has no commercial links with Cerium or ChromaGen.
For more information please click on a link below: