LEA NUMBERS® NEAR VISION CARD by Good-Lite Price US$POA Supplier/s Good-Lite Supplier Code LEA NUMBERS® NEAR VISION CARD ( IAPB ) Country of Origin United States of America Request a quote Product Description This chart featuring LEA NUMBERS® is designed to measure visual acuity with a standard line test and with three tighter spaced tests; 50%, 25%, and 12.5% which often reveal difficulties in seeing tightly crowded details. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. Product Features Dimensions: 8" x 10" (20.3 cm x 25.4 cm). Testing distance: 16"/40cm. Share: