LEA SYMBOLS<sup>®</sup> ETDRS, Translucent Distance Charts (13 feet/4 meters)

LEA SYMBOLS® ETDRS, Translucent Distance Charts (13 feet/4 meters)

253333
  • $49.95
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LEA SYMBOLS® ETDRS, Chart for 13ft/4m. Proportionally spaced (logMAR) lines; line sizes range from 20/160 to 20/8 (6/48 to 6/2.4) equivalent, 0.90 to 2.50. Includes response key and instructions.

Chart size is 24.5" x 25.5" (62cm x 65cm) and screen printed on styrene plastic for long lasting durability.

13ft/4 meters testing distance.

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