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E Eye Chart Visual Acuity Chart for Eye Exams 10 Feet (9x14 Inches)

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$6.00

$ 2 .99 $2.99

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1.Size:E Chart 10 Feet


  • Material and Durability: This visual acuity chart is made of thick and durable PVC material, ensuring its sturdiness and waterproof capabilities. The 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: It helps measure visual acuity from a distance of 10 feet. The equivalent of 20 feet for testing is 10 feet (3 meters).Since the vision chart is rolled up for packaging, we recommend using our double-sided adhesive to affix it to the wall for easy usage.
  • Practical Mounting Recommendations: Avoid direct sunlight or overly dim spaces and ensure it is on a flat surface and kept vertical when posting the vision chart. Typically, for adults, the "10/10" line should be at eye level, but for children, adjustments might be needed. The subject stands at a distance of 10 feet from the chart during the test.
  • Versatile Applications: The eye chart is highly versatile and suitable for a wide range of settings. It plays an important role in educational institutions, eye clinics, hospitals, and other medical facilities where vision testing is essential.


Product Description

E chart

The Principle Behind this Eye Chart

principle

Material and Characteristics

features

  • 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).

  • 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.

  • If you can read the letters on every line from 20/20 and upwards, your prescription is 0D, indicating good vision. However, if you can only read the letters from 20/40 and upwards, your prescription may be -1.00D, suggesting a need for correction.

  • The inclusion of red and green color bars facilitates the assessment of red-green color blindness.

  • 1. Take breaks regularly and avoid testing your vision when your eyes are fatigued.

    2. As their eyes are still in the process of development, 3-4-year-old children may typically only be able to read the 20/40 or 20/50 lines.


Nilesh Ricardo Fernando
Reviewed in the United States on January 30, 2025
This visual acuity chart is exceptional! Made from thick, durable PVC, it's both sturdy and waterproof, with a matte finish that eliminates glare. The precise design ensures accurate vision testing, and the red-green bars are perfect for assessing color blindness. Easy to mount and use, it’s ideal for clinics, schools, and hospitals. The practical mounting tips are helpful, ensuring optimal testing conditions. Highly versatile, this chart is a must-have for any setting requiring reliable vision assessments. Highly recommend for its quality and functionality!
Tanesha
Reviewed in the United States on January 27, 2025
Smaller than I expected