Precision Vision 2-Metre Eye-Test ETDRS LogMAR Chart (Chart R Original)

Conduct accurate visual acuity tests and get repeatable measurements with the Precision Vision 2-Metre Eye-Test ETDRS LogMAR Chart (Chart R Original). This eye-test type is useful for eyecare specialists and vehicle licensing agencies, and can also be used to assess low vision or as part of a clinical study. The chart is designed for testing at a 2-metre distance, and has an acuity range of 20m - 1m. 

What's Included?

• 1 x ETDRS LogMAR Chart

What Is the Purpose of the 2-Metre LogMAR Chart?

This eye-test chart has been designed for measuring visual acuity at a 2-metre distance, assessing low vision, and use in clinical studies sponsored by the American National Eye Institute. The chart format consists of rows of 5 Sloan optotype letters, with each row being smaller than the last.

Key Features and Benefits

• ETDRS logMAR eye-test chart
• Ideal for use by eyecare specialists and vehicle licensing agencies
• Suitable for visual acuity tests, low vision assessments, and use in clinical studies
• Designed for testing at a 2 metre distance
• Offers accurate and repeatable results for optimal convenience
• Format consists of rows of 5 Sloan optotype letters, which decrease in size down the page
• Lines are designed to be of equal difficulty
• Acuity range of the chart is 20m - 1m
• Suitable for use with select Precision Vision eye-test cabinets (sold separately)

Original Versus Revised Designs

This ETDRS logMAR chart features an original design. The differences between original and revised chart designs include:

• Original charts such as this one are suitable for clinical studies sponsored by the American National Eye Institute, revised designs are not
• Revised designs are also not recommended for low vision testing
• The letter-difficulty score of each chart differs
• The letters used for original and revised designs of the same chart are the same, but are arranged in a different order on each chart

Compatible Illuminated Eye-Test Cabinets

There are various ways that this chart can be displayed, included by being wall-mounted using an illuminated eye-test cabinet. Compatible cabinet options include:

• LogMAR Illuminated Eye-Test Cabinet
• LogMAR Illuminated Eye-Test Cabinet (Slim)

Alternative Eye-Tests

If you require a chart with a revised design, there are plenty of alternatives to choose from:

• 2-Metre ETDRS LogMAR Eye-Test (Chart 1 Revised)
• 2-Metre ETDRS LogMAR Eye-Test (Chart 2 Revised)
• 2-Metre ETDRS LogMAR Eye-Test (Chart 3 Revised)