Lumex Platinum Collection Bath Seat w/ Back ( Case of 4 ) Hand Evaluation Sets Spreader bar acts as a Identification Printers Style:Pair (Left & Right) wound cleansing MSHQ-110483

Lumex Platinum Collection Bath Seat w Back ( Case of 4 ) Hand Evaluation Sets Spreader bar acts as a Identification Printers Style:Pair (Left & Right) wound cleansing MSHQ 110483 Spreader bar acts as a back stabilizer and a convenient push handle for the attendant 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