Window Reading Rulers are designed for anyone suffering from Dyslexia or symptoms of visual stress, they combine page tinting with tracking support making it significantly easier to focus and read quickly and comfortably. This pack of 2 eye level reading rulers has a plain line running through helping to easily keep track of the lines whilst reading. The ruler itself is tinted and is available in a wide range of colours so you can choose the tint that works best for you.. Improves focus. Suitable for dyslexic learners. Pack of 2. Ideal for all ages. Approximate dimensions (mm) H 219 W 115 D 3