Proven to reduce visual stress problems that often occur alongside dyslexia, this 5 pack of A4 Page Overlays are available in a variety of colours, so you can choose the one that works best for you.Ideal for exam papers, invoices, instructions and more, these page overlays help to reduce perceptual distortions of text, without affecting its clarity.Having the option of using a matt or gloss side, these overlays are very simple to use, after removing the protective film, just place over text and read.. Improves focus. Available in various colours. Aids in relieving visual stress. A4 size. Approximate dimensions (mm) H 298 W 216 D 2