Applying a Fresnel prism foil to glasses? On this page you will find instructions for applying the Fresnel adhesive foil to your glasses. Do you want to order a prism adhesive foil? Then click here for the product page. If you want to apply a fresnel prism film on your glasses, you need to prepare […]
The Ishihara test is a color blindness test for red-green color deficiencies. With this test you can find out if you suffer from color blindness. The Ishihara test is one of the most widely used color blindness tests worldwide. In our webshop you can find the original Ishihara tests that we always have available from […]
Often we receive the question from our customers if there is any difference between the prism foils we offer on our website and the 3M prism foils. To answer this question we are glad that researchers from the University of Sheffield have published this article. Aim of this study was to determine any differences in […]
