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Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance
MZN 1925
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This Snellen 20' test distance eye chart is trusted worldwide for its accurate acuity vision testing using true Snellen optotypes, and also features red and green color bars for color vision testing.
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O que se Destaca
Detalhes do produto
- Snellen eye chart for 20 foot test distance
- Includes red and green color bars for color vision testing
- Made of durable high impact polystyrene material
- Physical size of 17x11 inches with optional wall mounting
- Uses true Snellen optotypes for acuity vision testing
- Great for school vision screenings and compatible with specific illuminator cabinets
| Package Weight | 1.0000 Pound |
Quem Deverá Comprar?
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Eye Care Clinics
Ideal for optometrists and ophthalmologists testing patients' visual acuity during regular eye examinations.
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Educational Institutions
Suitable for schools conducting vision screenings to ensure students have adequate visual capabilities for learning.
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Home Use
Beneficial for individuals wanting to monitor their own vision over time in a convenient home setting.
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Professional Sports Training
Athletes requiring specialized vision assessments may need more advanced assessments than standard eye charts.
DESCRIÇÃO DO PRODUTO
Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance
Perguntas e respostas do cliente
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Pergunta:
What is a Snellen Eye Chart and how is it used?
Resposta: A Snellen Eye Chart is a standardized measurement tool used to evaluate visual acuity. It consists of rows of letters that decrease in size, allowing eye care professionals to assess how well a person can see at a distance. Typically, the chart is viewed from 20 feet away, which is considered a standardized test distance. This tool is essential in eye exams to diagnose vision problems and determine the appropriate corrective measures. -
Pergunta:
What is the purpose of the Red and Green Bar Visual Acuity Test?
Resposta: The Red and Green Bar Visual Acuity Test is designed to assess color vision and contrast sensitivity in addition to standard visual acuity. The test uses colored bars alongside the Snellen letters, which helps identify specific visual impairments. This dual-functionality is critical for comprehensive vision examinations, particularly in cases where color discrimination is essential, such as for pilots or graphic designers. -
Pergunta:
Who should use the Snellen Eye Chart?
Resposta: The Snellen Eye Chart is suitable for a wide range of individuals, including children and adults undergoing routine eye exams. It is commonly used by optometrists and ophthalmologists to diagnose refractive errors like myopia or hyperopia. Additionally, schools and workplaces might use the chart to meet vision check compliance, ensuring that everyone meets minimum vision standards necessary for tasks like driving or operating machinery. -
Pergunta:
How accurate is the Snellen Eye Chart in measuring visual acuity?
Resposta: The accuracy of the Snellen Eye Chart depends on several factors, including the lighting conditions and the observer's perspective. When used correctly at a distance of 20 feet and in proper lighting, it provides a reliable measurement of visual acuity. This chart is an industry standard due to its effectiveness and ease of use in clinical settings, making it a trusted tool for eye care professionals. -
Pergunta:
What does a visual acuity result of 20/20 mean?
Resposta: A visual acuity result of 20/20 indicates that a person can see at 20 feet what a person with normal vision can see at the same distance. If your result is less than 20/20, it means you may have some degree of visual impairment. For instance, 20/40 vision means you need to be 20 feet away to see what someone with normal vision can see at 40 feet. This measurement helps consider the need for corrective lenses or further testing. -
Pergunta:
Can I use the Snellen Eye Chart at home?
Resposta: Yes, the Snellen Eye Chart can be utilized at home for monitoring visual acuity, although it is best to have it conducted by a professional for accurate results. You can print a chart or purchase one to hang at a designated distance. This allows you to track vision changes over time, helping you observe if there's a need for a comprehensive exam by an eye care specialist. -
Pergunta:
Are there different types of Snellen Eye Charts?
Resposta: Yes, there are various types of Snellen Eye Charts designed for different assessments. In addition to traditional letter charts, some may include E charts for non-readers, numbers, or pictures for children. Additionally, there are charts that test contrast sensitivity or visual fields. Choosing the right type depends on the specific vision assessment needs of the individual being tested. -
Pergunta:
How often should I get my vision tested using a Snellen Eye Chart?
Resposta: It is recommended to have your vision tested at least once every two years, but this frequency may vary based on your age, health, and existing eye conditions. Regular testing with a Snellen Eye Chart allows for early detection of vision issues, ensuring timely corrective measures can be taken. Individuals with existing eye problems or at risk for eye diseases should consult their eye doctor about more frequent testing intervals. -
Pergunta:
What lighting is recommended when using a Snellen Eye Chart?
Resposta: Optimal lighting is crucial when using a Snellen Eye Chart for accurate visual assessment. It is best to have even, bright lighting that does not create glare on the chart or cast shadows. Natural daylight or diffused artificial light is ideal for ensuring the letters on the chart are clearly visible, thereby allowing for a proper assessment of visual acuity. -
Pergunta:
Where can I buy a Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance in Mozambique?
Resposta: You can buy the Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance at Ubuy. Ubuy offers a range of eye care products, ensuring you can access the tools needed for effective vision screening right from your home.
Precision Vision Eye Charts Editorial Review
Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance is a practical tool for assessing visual acuity. With compact dimensions of 13.9 x 8.94 x 0.16 inches and weighing just 2.43 ounces, it is designed for easy handling and storage. This eye chart is perfect for both professional settings and home use, ensuring that vision tests can be conducted accurately at a standard 20-foot distance. Whether you’re a healthcare provider or an individual checking eyesight, its durability and reliability make it an excellent choice for visual assessments.
Avaliações e Classificações dos Clientes
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Prós
- Compact and lightweight for easy transport
- Ideal for both home and professional use
- Accurate visual acuity measurements
- Durable design suitable for repeated use
- Standardized test for reliable results
Contras
- Limited to distance testing only.
CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR
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MZN 1925
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Recursos e benefícios
- - Trusted worldwide for accurate acuity vision testing with true Snellen optotypes.
- - Includes red and green color bars for easy color vision testing.
- - Made of durable and easy-to-clean high impact polystyrene.
- - Can be wall-mounted for convenience.
- - Features Snellen equivalents for accurate vision recording.
- - Great for school vision screenings.
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