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Graham-Field 1240 Grafco Snellen Eye Chart, Plastic with Non-Reflective Matte Finish, 22" x 11"
€ 19
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Snellen wall eye chart measures visual acuity at a distance
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Product Details
- Made from thick plastic to prevent creases and tears
- Non-reflective matte finish to limit reflections and glare
- Calibrated for use at a 20' distance
- Measures visual acuity for objects at a distance
- Sized at 22x11 with a metal eyelet for wall hanging
- Product contact: 770-368-4700
| Item Weight | 1 lbs (450 grams) |
Product Description
Graham-Field 1240 Grafco Snellen Eye Chart, Plastic with Non-Reflective Matte Finish, 22" x 11"
Customer Questions & Answers
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Question:
What is the Graham-Field 1240 Grafco Snellen Eye Chart made of?
Answer: The Graham-Field 1240 Grafco Snellen Eye Chart is made of durable plastic, designed for longevity in various clinical or educational settings. The plastic material not only enhances its durability but also allows for easy cleaning and maintenance. This makes it ideal for use in busy environments like optometry offices or schools where multiple users will interact with the chart. Its non-reflective matte finish further ensures that the letters are easily visible under different lighting conditions, making it suitable for accurate vision assessments. -
Question:
What are the dimensions of the Graham-Field Snellen Eye Chart?
Answer: The Graham-Field Snellen Eye Chart measures 22 x 11 inches, providing a standard size that is perfect for both adults and children. This dimension allows for optimal viewing distance and clarity, essential for effective vision testing. The larger size also benefits practitioners by making it easier to position in a room for accurate assessments, whether in a private practice or in educational settings. The clear display matches the typical guidelines for eye charts used in clinical practice. -
Question:
Is the Graham-Field Snellen Eye Chart suitable for outdoor use?
Answer: While the Graham-Field Snellen Eye Chart is made of durable plastic, it is primarily designed for indoor use in clinical or educational settings. The non-reflective matte finish ensures excellent visibility under controlled indoor lighting. Using it outdoors may expose it to environmental factors that could affect its lifespan, such as moisture or direct sunlight. For optimal results, stick to using the eye chart indoors where you can maintain a consistent testing environment. -
Question:
How do you clean the Graham-Field Snellen Eye Chart?
Answer: Cleaning the Graham-Field Snellen Eye Chart is straightforward due to its plastic construction. Simply use a soft cloth with mild soap and water to wipe it down, ensuring that any dirt or smudges are removed effectively. Avoid using abrasive cleaners that might scratch the surface or compromise the readability of the chart. Regular maintenance is important, especially in a healthcare or educational environment where multiple individuals may be using the chart throughout the day. -
Question:
What is the importance of the non-reflective matte finish?
Answer: The non-reflective matte finish of the Graham-Field Snellen Eye Chart plays a crucial role in its function. This finish minimizes glare, ensuring that the letters are easily visible at a range of angles and lighting conditions. This is particularly beneficial during vision assessments, as glare can hinder accurate results. Optometrists and educators appreciate this feature, as it promotes a better testing experience for both the tester and the individual being assessed. -
Question:
Can the Graham-Field Snellen Eye Chart be used for color vision testing?
Answer: The Graham-Field Snellen Eye Chart is specifically designed for standard vision testing using letters, rather than color vision assessment. While it effectively measures visual acuity, it does not incorporate color elements that are essential for color vision tests. If color vision evaluation is required, a dedicated color vision test chart should be used. This chart serves well in various testing scenarios, particularly for evaluating distance vision. -
Question:
Who can benefit from using the Graham-Field Snellen Eye Chart?
Answer: The Graham-Field Snellen Eye Chart is beneficial for healthcare professionals such as optometrists, ophthalmologists, and general practitioners. It is also useful in educational institutions for vision screenings among students. By providing a reliable method for testing visual acuity, this chart aids in identifying potential vision problems early on. Many users appreciate its versatile application across medical and educational facilities, ensuring comprehensive eye health assessments. -
Question:
What is the purpose of using a Snellen eye chart?
Answer: A Snellen eye chart is primarily used to measure visual acuity, which is the clarity of vision at a specified distance. The Graham-Field version utilizes the standard Snellen format, with letters decreasing in size to determine the smallest visual detail a person can discern. This type of testing is essential in various settings to evaluate eye health and assess the need for corrective lenses. It serves as a fundamental tool in both clinical and educational environments for maintaining good vision standards. -
Question:
How can I accurately hang the Graham-Field Snellen Eye Chart?
Answer: For accurate vision assessment, the Graham-Field Snellen Eye Chart should be hung at eye level, typically 20 feet away from the testing point. Use a level to ensure the chart is straight, and position it in a well-lit area free from distractions. This setup allows individuals to read the chart comfortably, facilitating an accurate assessment of their visual acuity. Keeping the environment consistent is crucial for reliable testing results. -
Question:
Where can I buy the Graham-Field 1240 Grafco Snellen Eye Chart in Ireland?
Answer: You can purchase the Graham-Field 1240 Grafco Snellen Eye Chart through Ubuy, a reliable e-commerce platform that offers a wide range of medical and educational supplies. Ubuy provides convenience and accessibility, allowing you to shop from the comfort of your home. Whether you are a healthcare professional or an educator, Ubuy is a practical option to acquire this essential tool for vision testing.
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€ 19
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Features & Benefits
- Big letter or symbol at the top and progressively smaller letters at the bottom
- Thick plastic material to prevent creases and tears
- Matte finish to limit reflections and glare
- Calibrated for 20 feet distance
- Size of 22 x 11 inches, with eyelet for easy hanging
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