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.

Packing List

Snellen Chart x 1

Double-Sided Tape x 4

Description

• 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.

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