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Optical Instruments Handheld Portable Auto Refractometer Spot Vision Screener for Eye

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  • Shipping Timeframes: All orders are processed within 2-5 business days (excluding weekends and holidays). After your order has been processed, the estimated delivery time is before 03 Feb, 2026, depending on customs, Please note that due to high demand, some items may experience longer shipping times, which will be communicated at order confirmation email.
  • Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
  • Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
  • Returns and Exchanges: We offer a 30-day return policy for most items. If you are not completely satisfied with your purchase, you may return it within 30 days of receipt for a refund or exchange. Items must be unused, in their original packaging, and accompanied by proof of purchase. Return shipping costs are the responsibility of the customer, unless the item was damaged or defective upon arrival.
1. What is the primary function of the Optical Instruments Handheld Portable Auto Refractometer?

The primary function of this device is to provide quick and accurate vision assessments, measuring both spherical and cylindrical power for eye conditions.

2. How long does it take to perform a vision test with this device?

You can perform eye tests in less than 15 seconds, making it an efficient tool for busy clinics and on-the-go evaluations.

3. What is the measuring distance for this refractometer?

The measuring distance for the Optical Instruments Handheld Portable Auto Refractometer is 98 cm, with a tolerance of ±3 cm.

4. What is the measurement range for spherical and cylindrical power?

The device measures spherical power from -8.00D to +8.00D (±0.25D) and cylindrical power from -3.5D to +3.50D (±0.25D).

5. Is this refractometer suitable for use in schools?

Yes, it is ideal for school vision screenings, allowing for quick evaluations of students' eye health.

6. Can this device be used in mobile eye care services?

Absolutely! Its portable and lightweight design makes it perfect for mobile eye care services and community health events.

7. How easy is it to use for someone without prior experience?

The device features a simple interface, allowing for quick training and operation, making it user-friendly even for those without prior experience.

8. What types of professionals can benefit from using this refractometer?

Optometrists, ophthalmologists, and eye care professionals in clinics or hospitals will find this device particularly useful for vision assessments.

9. Does the device provide accurate readings?

Yes, it provides accurate readings for both spherical and cylindrical power, ensuring reliable assessments of eye conditions.

10. What is the package size for the device?

The package size is described as XX cm, which is designed to be compact for portability.

11. Can I use this device for community health events?

Yes, it is suitable for community health events and screenings due to its portability and quick measurement capabilities.

12. What kind of maintenance does the refractometer require?

Regularly clean the device according to the manufacturer's instructions and ensure it is calibrated for accurate readings.

13. Is the device lightweight?

Yes, the Optical Instruments Handheld Portable Auto Refractometer is designed to be lightweight for easy handling.

14. What is included in the purchase of the refractometer?

The purchase includes the refractometer itself, and additional accessories may vary based on the seller.

15. Can this device be used for children as well as adults?

Yes, it is suitable for vision screenings in both children and adults, making it versatile for different age groups.

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