| Description | Similar to the "Original" Series ETDRS chart, this revised version features the use of three separate charts for the testing of each patient's eyes separately and together. Each of the three ETDRS charts feature a different configuration of | For nearly forty years, Precision Vision has built a reputation of producing the most accurate and most durable vision testing tools available, including vision test charts for visual acuity measurement, ETDRS eye vision test charts, and more. We |
| Features | - This "revised" chart incorporates a slight change in the difficulty score for each of the ten SLOAN letters derived from the best corrected visual acuity examinations of 7,420 eyes during the ETDRS study.
- The three ETDRS "2000" Series charts (Chart 1, 2, and 3) are balanced so that in each chart the ten SLOAN letters are represented at least once in every position.
- For testing at 4 meters (13 ft.)
- Acuity range 40M to 2M (20/200, 6/60 to 20/10, 63 equiv.)
- Measures 62 X 65 cm (24.5 X 25.5 in.)
- Fits ETDRS Illuminator Cabinet CAT. NO. 2425
- Can also be wall-mounted
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