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Product Description
The E eye chart is a standard tool used to assess visual acuity. It helps measure visual acuity from a distance of 10 feet. The equivalent of 20 feet for testing is 10 feet (3 meters). The size of each optotype is meticulously designed following the one-minute visual angle principle, guaranteeing precise measurements for accurate vision testing. This product ships from the United States.
- Material and Durability: Constructed from thick and durable PVC material, this visual acuity chart ensures sturdiness and waterproof capabilities. Its matte finish eliminates glare and reflections, creating an optimal testing environment for accurate results.
- Accurate Size and Design: The size of each letter is meticulously designed following the one-minute visual angle principle, guaranteeing precise measurements. The chart consists of the letter "E" in different orientations (up, down, left, and right). This means it can be used to test individuals who may not be familiar with or have difficulty reading letters of the alphabet from different languages. Besides, he red and green color bars facilitates the assessment of red-green color blindness.
- Convenient Testing Tools: Designed for visual acuity measurement from a distance of 10 feet, equivalent to 20 feet testing standard. The chart is rolled up for packaging, and we recommend using our double-sided adhesive for easy wall mounting.
- Practical Mounting Recommendations: When posting the vision chart, avoid direct sunlight or overly dim spaces, ensuring it lies flat and remains vertical. Typically, for adults, the "10/10" line should be at eye level, with possible adjustments needed for children. During testing, the subject stands 10 feet away from the chart.
- Versatile Applications: Highly versatile and suitable for a wide range of settings, including educational institutions, eye clinics, hospitals, and other medical facilities where vision testing is essential.
Product Details

PVC Material: Constructed from strengthened PVC material, it boasts high durability and tear resistance. The surface of the vision chart stays remarkably clear, devoid of any glare or reflection.

Waterproof Functionality: The vision chart is designed with waterproof features, enhancing its durability and reliability in various environments.

Secure Affixing with Double-Sided Tape: To ensure stability and prevent curling, utilize double-sided tape to firmly fix the four corners of the chart during mounting.

Simple Setup, Effortless Testing: Simply fix the eye chart with double-sided tape at all four corners, and then use a pointer and an eye patch to measure the vision for each eye separately.
FAQ
Are You Ready for Your Vision Test?
1. Choose a quiet, well-lit area with no obstructions in front of the eye chart.
2. Attach the chart to the wall using double-sided tapes, making sure that the 20/20 line is at eye level.
3. The standard testing distance is 10 feet (3 meters).
What Are the Steps Involved in Vision Testing?
1. Stand 10 feet away from the chart.
2. Cover the left eye first, then the right eye separately.
3. Begin reading from the top of the chart, moving downward.
4. Record the clearest line that can be seen for each eye separately.
Who Can Use This Vision Chart for Testing?
This chart is suitable for individuals who are 5 years of age and older to assess visual acuity. For children under 5 years old, their eyes are still in development, and they may only be able to read up to the 20/40 or 20/50 lines.
What Do the Results Indicate on This Chart?
If you can read the letters on every line from 20/20 and upwards, your prescription is 0D, indicating good vision. If you can only read from 20/40 and upwards, your prescription may be -1.00D, suggesting a need for correction. However, these results may not be precise, and it's recommended to visit a professional optometrist for a prescription.
How Does the Chart Help with Color Blindness Testing?
The chart includes red and green color bars, which help assess red-green color blindness. This feature assists in identifying individuals who may have difficulty distinguishing between these colors.
Warning: The four corners of the vision chart have sharp edges, please be cautious to avoid any potential cuts or injuries.