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Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance
86% من المشترين سيوصون بهذا المنتج لصديق
IQD 39380
تفاصيل السعر
باستثناء رسوم الشحن والجمارك ( سيتم احتساب رسوم الشحن والجمارك عند إتمام الشراء )
*سيتم استيراد جميع العناصر من أمريكا
كمية:
تعمل يوباي جاهدة لحماية أمنك وخصوصيتك. يضمن نظام أمان الدفع المتقدم لدينا السرية من خلال تشفير معلوماتك أثناء النقل باستخدام بروتوكولات AES (معايير التشفير المتقدمة) وSSL (طبقة المنافذ الآمنة). تفاصيل الدفع الخاصة بك آمنة بنسبة %100 لأننا لا نشارك تفاصيل الدفع الخاصة بك مع بائعين تابعين لجهات خارجية
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.
شحن
سريع
استرجاع
مجاني*
تغليف آمن
منتجات أصلية %100
الامتثال لمعيار PCI DSS
حاصل على شهادة ISO 27001
مايفيد
تفاصيل المنتج
- 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 |
من يجب أن يشتري؟
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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.
وصف المنتج
Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance
أسئلة العملاء & الإجابات
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سؤال:
What is a Snellen Eye Chart and how is it used?
إجابه: 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. -
سؤال:
What is the purpose of the Red and Green Bar Visual Acuity Test?
إجابه: 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. -
سؤال:
Who should use the Snellen Eye Chart?
إجابه: 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. -
سؤال:
How accurate is the Snellen Eye Chart in measuring visual acuity?
إجابه: 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. -
سؤال:
What does a visual acuity result of 20/20 mean?
إجابه: 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. -
سؤال:
Can I use the Snellen Eye Chart at home?
إجابه: 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. -
سؤال:
Are there different types of Snellen Eye Charts?
إجابه: 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. -
سؤال:
How often should I get my vision tested using a Snellen Eye Chart?
إجابه: 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. -
سؤال:
What lighting is recommended when using a Snellen Eye Chart?
إجابه: 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. -
سؤال:
Where can I buy a Snellen Eye Chart, Red and Green Bar Visual Acuity Test, 20 Foot Test Distance in Iraq?
إجابه: 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.
مراجعات العملاء وتقييماتهم
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5 نجمة
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4 نجمة
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3 نجمة
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2 نجمة
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1 نجمة
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إيجابيات
- 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
سلبيات
- Limited to distance testing only.
منصة موثوقة وثقة كاملة للمشتري
“Easy to use and always helpful and sorts any issues I've had past and present”
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
“The delivery was fast and the product came undamaged and authentic.”
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
“Fast, convenient and cheap. Great store!”
تاريخ سعر المنتج
معلومات مهمة
- القيود: بالنسبة للمنتجات التي يتم شحنها دولياً، يُرجى ملاحظة أن أي ضمان من الشركة المصنعة قد لا يكون صالحاً؛ قد لا تتوفر خيارات خدمة الشركة المصنعة؛ قد لا تكون أدلة المنتج والتعليمات وتحذيرات السلامة مكتوبة بلغة بلد المقصد؛ قد لا يتم تصميم المنتجات (والمواد المصاحبة لها) وفقاً لمعايير بلد الوجهة والمواصفات ومتطلبات الملصقات؛ وقد لا تتوافق المنتجات مع الجهد الكهربي المستخدم في بلد الوجهة والمعايير الكهربائية الأخرى (تتطلب استخدام محوّل كهربي أو جهاز تحويل إذا كان ذلك مناسباً). المستلم مسؤول عن ضمان إمكانية استيراد المنتج بشكل قانوني إلى بلد الوجهة. عند الطلب من يوباي أو الشركات التابعة لها، يكون المستلم هو المستورد المسجل ويجب أن يلتزم بجميع القوانين واللوائح الخاصة ببلد الوجهة.
- ليست كل المنتجات المدرجة على يوباي معروضة للبيع، لأن يوباي هو محرك بحث عالمي. المنتجات تخضع للوائح التصدير / التجارة.
IQD 39380
اطلب الآن واحصل عليه حول الإثنين, سبتمبر 14
هذا المنتج غير ممنوع في بلدي. (الرجاء الضغط على الرابط أعلاه إذا لم يكن هذا المنتج ممنوعاً في بلدك ، لذلك سيقوم فريقنا بمراجعته والسماح به.)
كمية:
نوفر لك مدفوعات مشفّرة، وحماية متكاملة للمشتري، مع الالتزام بمعايير PCI DSS وشهادة ISO 27001:2022 لضمان أعلى مستويات الأمان في كل عملية شراء.
المميزات والفوائد
- - 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.
ضمان Ubuy
تسوّق بثقة مع منتجات أصلية %100، ومدفوعات آمنة متوافقة مع معيار PCI DSS، وحماية بيانات معتمدة وفق ISO 27001، وشحن دولي سريع، وإرجاع مجاني*، وتغليف آمن لكل طلب.