Detailed Guidebook

(50 Pamphlets per Package) Coughing

SNS Exclusive 2 year warranty

hard surfaces commonly used in clinical settings

(26"L x 17"W x 7"D)

20 ft: Hand Symbol (8 Line) Chart Dropshipped Item Detailed Guidebook(9" x 14") Hand optotype chart for vision testing at 20 feet. Hand symbol visual acuity charts are great for testing preliterate children. May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090). Having only one optotype used in different directions, Hand symbol charts are similar to Tumbling E and Landolt C charts. Often used for preliterate children in school screenings, the child simply indicates which direction the hand