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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
Sensory environment pit gives child visual and tactile feedback provides the buoyancy of water without the mess * Expandable portable and safe * Side panels (48 L x 26 H) solid with foam padding reinforced vinyl cover * Design allows for shape flexibility * 4-panel pit *
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Portable design allows you to monitor your blood pressure anywhere
Specialist Boston Bag 16 (Pebble) Black Traction Units Accepted by leading authorities asLEATHER BOSTON BAG * 16 x 7 x 11 Black Pebble * A medical case that creates an excellent use of space and easy access to equipment * Features two large zipper interior pockets an anti bacterial lining reinforced corners and 3 position lock *