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| Company | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) |
| Item | ETDRS Translucent Low Contrast Charts (13 Feet, 4 Meter) | "2000" Series ETDRS Translucent Distance Charts (10 Feet, 3 Meters) | "2000" Series ETDRS Translucent Distance Charts (13 Feet, 4 Meter) | LEA Symbols ETDRS Translucent Distance Chart (10 Feet, 3 Meters) | Original Series ETDRS Translucent Distance Charts (13 Feet, 4 Meter) |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Testing Distance | 4 meters (13 ft.) | 3 meters (10 ft.) | 4 meters (13 ft.) | 3 meters (10 ft.) | 4 meters (13 ft.) |
| Chart Number | Inquire | Chart "1"
Chart "2"
Chart "3" | Chart "1"
Chart "2"
Chart "3" | Inquire | Chart "R"
Chart "1"
Chart "2" |
| Description | Proportional spaced (geometric progression) line sizes from 20/200 to 20/10 (6/60 to 6/3 equivalent). Measures 24.5"H x 25.5"W (62 cm x 65 cm). | Proportional spaced (geometric progression) line sizes from 20/200 to 20/10 (6/60 to 6/3 equivalent). Revised version of the original ETDRS. Can be wall-mounted. Measures 24.5"H x 25.5"W (62 cm x 65 cm). | Proportional spaced (geometric progression) line sizes from 20/200 to 20/10 (6/60 to 6/3 equivalent). Revised version of the original ETDRS. Can be wall-mounted. Measures 24.5"H x 25.5"W (62 cm x 65 cm). | LEA Symbols® distance visual acuity test for the EDTRS Illuminator Cabinet. Proportional spaced line sizes from 20/200 to 20/8 (6/60 to 6/2.4 equivalent). Includes response key, flash cards, and instructions. 24.5" x 25.5" | Proportional spaced (geometric progression) line sizes from 20/200 to 20/10 (6/60 to 6/3 equivalent). Standardized format used in National Eye Institute-sponsored studies. Used in clinical studies and low vision evaluations where accurate and |
| Get quote | Inquire | Inquire | Inquire | Inquire | Inquire |