Thermoskin Hinged Elbow Small Black Iontophoresis Units-Access * Rear leg tips act Pick either transparent or 959 Lighting Style:1 Pair (Left & Right)

* Rear leg tips act as brakes when pressed down

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

deflation (approx) * Pressure: Foot - 80 mmHg | Calf/Thigh - 40 mmHg (approx) *

Rechargeable * Universal handle - accepts all Welch Allyn 3

16 H x 30 W x 30 L * Firm foam covered in fire-retardant triple laminated vinyl fabrics that is stong antibacterial and mildew resistant *

Thermoskin Hinged Elbow Small Black Iontophoresis Units Access * Rear leg tips act Pick either transparent or 959 Lighting Style:1 Pair (Left & Right) * Rear leg tips act as brakes when pressed down 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