Pukka pads are proud to introduce you to the irlen range for customers with visual difficulties. The irlen exercise books have been designed with guidance from the irlen institute which specialises in products for those with visual perception difficulties and irlen syndrome.the specially formulated coloured paper and tinted ruling can help prevent visual stress and enhance focus whilst reading and writing and can minimise the symptoms associated with irlen syndrome such as headaches, fatigue, and discomfort.the irlen exercise books are a5 in size, measuring 140mm x 205mm, ideal for use in schools due to its compact yet practical size, perfect for placing in backpacks for use throughout the school day.each exercise book contains 80 pages of high quality 70 gsm, fsc mix, tinted paper and even has a space for the user's name and subject, ideal for personalising each exercise book.. A5 exercise book. Size 140mm x 205mm. Designed with guidance from the irlen institute. Ideal for customers with irlen syndrome visual perception difficulties. 80 pages. 70 gsm paper. Lined paper. Staple bound. Ideal for use in schools and the workplace. Includes a section to write the users name and subject. Fsc mix paper. Dimensions 140mm x 205mm. Colour blue. Page count 80. Paper gsm weight 80 gsm. Paper size a5. Paper type lined