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| Company | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) | Good-Lite (Formerly Richmond Products, Inc.) |
| Item | Original Series ETDRS Translucent Distance Charts (13 Feet, 4 Meter) | "2000" Series ETDRS Translucent Distance Charts (13 Feet, 4 Meter) | LEA Symbols® ETDRS Translucent Distance Chart (10 Feet, 3 Meters) |
| Price | Inquire | Inquire | Inquire |
| Description | 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 | 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" |
| Features | Inquire | Inquire | Inquire |
| Approval | Inquire | Inquire | Inquire |
| Product Number | 500013 (Chart "R")
500014 (Chart "1")
500015 (Chart "2") | 500016 (Chart "1")
500017 (Chart "2")
500018 (Chart "3") | 250300 |
| Chart Number | Chart "R"
Chart "1"
Chart "2" | Chart "1"
Chart "2"
Chart "3" | Inquire |
| Testing Distance | 13 Feet, 4 Meter | 13 Feet, 4 Meter | 10 Feet, 3 Meters |
| Get quote | Inquire | Inquire | Inquire |