LEA Symbols Domino Cards by Barrier Free Access (HK) Limited Price US$42 Supplier/s Barrier Free Access (HK) Limited Supplier Code 251500 (IAPB) Country of Origin USA Request a quote Product Description LEA SYMBOLS® Domino Cards (251500) Product Features Testing Distance = 40 cm/ 16 inches Cards measure: 4 cm x 7 cm Set contains 3 packs of 16 domino-like cards For Near Visual Acuity Assessment Share: