Ishihara® Test Chart Book for Color Deficiency -10 Plate Book (Unlettered Persons and Children) Wound Care File Folder/Color Code Extended Tab

File Folder/Color Code Extended Tab – Plain 100 / PK

Custom National School Bus Kit

Utah Compatible Connector

Not a spermicide

Width Inside Rear Legs 20"

Ishihara® Test Chart Book for Color Deficiency -10 Plate Book (Unlettered Persons and Children) Wound Care File Folder/Color Code Extended TabAccepted 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