Optical Pupil Distance ruler Vernier PD Measuring Tool Ophthalmic Tool


Optical Pupil Distance ruler Vernier PD Measuring Tool Ophthalmic Tool by Huanyu at American Trade System. MPN: WCC-40. Hurry! Limited time offer. Offer valid only while supplies last. Huanyu Parameter Product Name: Cursor Distance Meter Features: simple and convenient Material: soft PVC board Weight: about 25g Specification: 17.7*2.2cm Precautions: 1. Keep your eyes to the front and look at the static stuff in the distance of about 20 meters (if you are in the house, look at the farthest point). Do not turn your eyes when measuring. 2. Do not measure yourself in the mirror. Please ask your family or friends to help with the measurement. 3. Please start from the ''0'' d


Optical Pupil Distance ruler Vernier PD Measuring Tool Ophthalmic Tool by Huanyu
4.6 out of 5 stars with 16 reviews
Condition: New
Availability: In Stock
$39.99


Quantity:  

 


Product Description & Reviews

Huanyu Parameter Product Name: Cursor Distance Meter Features: simple and convenient Material: soft PVC board Weight: about 25g Specification: 17.7*2.2cm Precautions: 1. Keep your eyes to the front and look at the static stuff in the distance of about 20 meters (if you are in the house, look at the farthest point). Do not turn your eyes when measuring. 2. Do not measure yourself in the mirror. Please ask your family or friends to help with the measurement. 3. Please start from the "0" degree scale of the ruler. Do not start from the edge of the ruler. 4. Take multiple measurements and take the same value (be accurate to the unit of millimeter, eg 64 mm). Note Thank you for your favor and trust to choose our product ! After your order is confirmed,the product usually takes about 5-10 business days to arrive to your hand. Please pay attention to the Emails from Amazon after placing the order. If there is any questions, welcome to contact us.

Features & Highlights

  • [Align with the center]:The normal ruler is difficult to align with the center of the two pupils, and the error is large when measuring. It is easier to align with the center point with the vernier distance gauge.
  • [Clearance]: After aligning, you can move the cursor, and the distance data can be seen at a glance.
  • [Accuracy]: The measurement data of the Cursor pupil distance measuring ruler is more accurate compared to normal rulers.
  • [Material]: soft PVC board
  • [Unit]: mm

Additional Information

Brand:
Huanyu
Manufacturer:
Huanyu
Category:
Eyewear Retainers
MPN:
WCC-40
Part Number:
WCC-40
Publisher:
Huanyu
Binding:
Misc.

 


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