Precision Vision 4-Metre ETDRS LogMAR Eye-Test (Chart 2 Original)

The Precision Vision 4-Metre ETDRS LogMAR Eye-Test (Chart 2 Original) is a standardised eye-test designed to measure visual acuity and assess low-vision. The chart has been made to support testing at a 4-metre distance, and has an acuity range of 40 - 2 metres. This original test design is also suitable for use in clinical studies sponsored by the American National Eye Institute.

What's Included?

• 1 x Eye-Test Chart

What Is the Function of the ETDRS LogMAR Chart?

The ETDRS logMAR test type is used to assess visual acuity, with this original chart design also being suitable for low-vision testing. Those that may find this chart useful include optometrists and similar eyecare specialists, doctors, and vehicle licensing agencies. For this eye-test chart, patients should stand at a 4-metre distance.

This standardised chart design is also suitable for clinical studies sponsored by the American National Eye Institution.

Key Features and Benefits

• ETDRS logMAR test chart
• For testing visual acuity and assessing low-vision
• Suitable for use by optometrists, opticians, doctors, and vehicle licensing agencies
• Designed for testing at a 4-metre distance
• Suitable for use during clinical studies conducted by the American National Eye Institute
• Provides accurate and repeatable results
• Features an acuity range of 40 - 2 metres
• Each line is of equal difficulty
• The size of the optotype decreases as you go down the chart
• Constructed to fit into specific Precision Vision illuminated cabinets (not included)

Original Versus Revised Design

There are a few differences in the original and revised designs of the ETDRS logMAR charts. These include:

• The original chart design is the only standardised choice for studies sponsored by the American National Eye Institute
• The original charts are suitable for low-vision assessments as well as visual acuity tests
• Letter-difficulty scoring differs between the two charts
• Though they use the letters, the arrangement of the optotype on each chart is different

Illuminated Eye-Test Cabinet Options

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-Test Charts

Also available from Precision Vision are a range of ETDRS logMAR 4-metre visual acuity testing charts. Suitable alternatives to this chart include:

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