LEA NUMBERS^® ETDRS Distance Charts with proportionally spaced (logMAR) lines; line sizes ranging from 13/131 to 13/5.2 (4/40 to 4/1.6) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.

Available in three different versions of mixed/scrambled order when repetitive testing is indicated.

These charts fit in the ESV3000™ Standardized ETDRS illuminated cabinet and the ESC2000™ Illuminated ETDRS Clinical Trial Cabinet.

LEA NUMBERS^® Standard Chart is also available in a thinner translucent chart that can be easily rolled up.

LEA SYMBOLS^®: The Gold Standard

Specifications

• Testing distance: 13 feet/4 meters.
• Product type: Illuminated Charts
• Chart type: Illuminated Chart
• Test type: Distance Vision
• Chart series: ETDRS | ESC2000™ | ESV3000™
• Chart format: ETDRS | logMAR
• Chart use type: Illuminated cabinet chart
• Optotype: LEA Numbers®
• Certifications: CE
• Weight: 1 kg (2.2 lb)

Available Online Resources

• User Guide - ETDRS Guide
• Technical Bulletin - ESV3000 and ESC2000 Distance Charts - Technical Bulletin