Approved test type chart for Vision and Hearing Technicians (VHT) Approved by Ministry of Health and RANSCO Easy to clean* String holes to hang on a wall Non-reflective letters and card Laminated and double-sided to reduce memorising Goes with the VHT handheld occlude (EYMOB) Chart size: 400 mm x 200 mm *Use only water and a mild dishwashing detergent. Don t use strong cleaing fluids or abrasives. Product reference: EYTTDAVISL