Luxo Fluorescent Magnifying Lamp W Mobile Base Exam Tables Full Cabinet Accepted by leading authorities as Two 1 inch urethane 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 5v Set * Reusable Polypropylene Diagnostic Otoscope Specula Set of Four (2 3 4 5 mm) * The Welch Allyn Warranty: Welch Allyn will repair or replace free of charge any parts of its own manufacture proven to be defective through causes other than misuse neglect damage in shipment or normal wear * Full size illuminated magnifier * 5 bifocal lens * Three diopter lens * Allows 13 of shadow free working areas * Includes fluorescent bulb and A bracket * Color: Oyster * 8 shade diameter