An ETDRS chart with LEA SYMBOLS® and proportionally spaced (logMAR) lines; line sizes range from 13/104 to 13/5.2 (4/32 to 4/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Includes response key and instructions. Screen printed on styrene plastic for long-lasting durability.
ESV3000 ETDRS Clinical Trial Standardized Viewer and ESC2000 Illuminated ETDRS Clinical Trial Cabinet compatible.
Dimensions: Height 24.5" x Width 25.5" (62 cm x 65 cm).
Testing distance: 13 feet/4 meters.
Note: All products sold on Accuspire.com should be used by qualified clinician and should be purchased by or on order of a qualified clinician.
A LEA SYMBOLS® distance visual acuity chart for an ETDRS Illuminator Cabinet like the ESV3000 or ESC2000. Features proportionally spaced (logMAR); line sizes range from 1
A 10 line pediatric distance chart with LEA SYMBOLS®. This chart is for screening children ages 21/2 to 4. The proportionally-spaced side features line sizes ranging from 10/100 to 10/8 (20/200...
This chart features proportionally spaced (logMAR); line sizes range from 13/66 to 13/5.2 (4/20 to 4/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter,...
A LEA SYMBOLS® translucent distance chart with proportionally spaced optotypes (logMAR). Line sizes range from 10/63 to 10/4 (3/19 to 3/1.2) equivalent. The other equivalents featured on this...
The Single Symbol Book is designed for testing children and adults who have difficulties perceiving symbols in lines. The visual acuity values measured with single symbols are often several lines...
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