LEA SYMBOLS® Single Cards with Crowding Bars - 50%259400
A set of 30 pediatric acuity cards featuring 2 of the LEA SYMBOLS® optotypes with 50% crowding bars. Each card contains a single symbol with line sizes ranging from 20/200 to 20/8 (6/60 to 6/2.4) equivalent with measurements on the reverse side. This set also includes instructions and flash cards. Printed on styrene plastic and clear coated for long durability.
Testing distance: 10 feet/3 meters.