Aquacel® Nonadhesive without Border Foam Dressing, 6 x 8 Inch, 1 Box of 5 Scapel Blades Disp Scalpels Cloth like backsheet is ultrasonically bonded Style:Right Ear Cloth like backsheet is ultrasonically bonded for a "quilted" look and feel Accepted by leading authorities as a simple and accurate method for discovering congenital color blindness and red green blindness each in two forms complete and incomplete * Includes four special plates for tests to determine the kind and degree of defect in color vision * Makes use of the peculiarity that in red green blindness blue and yellow appear remarkably bright compared with red and green * Color plates encased in specially designed album type books for ease of handling * Detailed instructions included Skin friendly adhesive supports simple application and removal Locks in wound exudate