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Illiterate Landolt E Charts with Red Green Lines

Purpose: The Illiterate Landolt E Chart with Red and Green Lines is designed to assess visual acuity in individuals who cannot read letters or symbols, including illiterate patients and those with language barriers. The inclusion of color lines helps in evaluating color vision and contrast sensitivity.
Design:
- Landolt E Optotypes: Features the Landolt “E” optotype, a series of capital “E”s oriented in various directions (up, down, left, right). This design is useful for patients who cannot read letters or symbols, as it relies on spatial orientation recognition.
- Red and Green Lines: Incorporates colored lines or bars, typically positioned alongside or within the Landolt E optotypes. These colored lines are used to assess color vision and contrast sensitivity, helping to detect deficiencies in color discrimination and contrast perception.
Application:
- Visual Acuity Testing: Suitable for measuring visual acuity in individuals who may have difficulty with traditional letter-based charts. The various orientations of the Landolt E allow for an accurate assessment of visual sharpness.
- Color Vision and Contrast Sensitivity: The red and green lines help in evaluating how well a patient can perceive and differentiate between colors, as well as assess their ability to detect contrast.
Features:
- High Contrast Design: The Landolt E optotypes and colored lines are designed with high contrast to ensure clear visibility and accurate testing.
- Non-Reflective Surface: Typically features a matte or non-reflective finish to minimize glare and ensure that both the E optotypes and colored lines are clearly visible under various lighting conditions.
Versatility:
- Comprehensive Testing: The combination of Landolt E optotypes with red and green lines makes this chart a versatile tool for a wide range of visual assessments, including those required in clinical settings, vision screenings, and research.
- Adaptability: Effective for use in diverse patient populations, including those who may struggle with traditional letter-based eye charts, and for assessing additional aspects of vision such as color discrimination and contrast sensitivity.

Original price was: ₹1,649.00.Current price is: ₹649.00.

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Description

Tumbling or Illiterate “E” charts are very reliable alternative visual acuity tests. Although Landolt “C” tests are considered the standard in alternative vision tests, many studies have proven that Tumbling “E” tests are nearly equal. In fact, because of their shape, Tumbling “E”s have grating properties and have been proven to be almost better then Landolt “C”s in visual acuity establishment. Distance eye test for visual acuity screening at 20 Feet Visual Acuity range 20/100 to 20/16.

Features:

Tumbling “E” suitable for illiterate and preliterate patients Useful for multiple languages.
Chart includes red and green color bars for an easy and helpful color vision test.
Made of Extra Strong, Easily Washable, Non-reflecting, Matte Finish PVC Sheet.
Perfect for optometrists, students, offices, and schools.
And the top centre hole, easy to hang on the wall.
Eye chart measures 23 X 35.5 cm (9 X 14 in.)

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Illiterate Landolt E Charts with Red Green Lines

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Illiterate Landolt E Charts with Red Green Lines

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