Although the science is not completely understood, significant improvements in reading speeds can be created through the use of specific coloured overlays or tinted filters in spectacle lenses.

Our testing procedure allows us to demonstrate where improvements can be made without excessive costs to the patient.

We offer colour overlays from £25 and a complete test is currently charged at £24.75.  Available at selected branches, please Email for more information to This e-mail address is being protected from spam bots, you need JavaScript enabled to view it   OR find out more at http://www.dyslexiaaction.org.uk/