Brand New Face Measurement Optician Ruler Scale PD Ruler

Description

Brand New Face Measurement Optician Ruler Scale PD Ruler
Description
Face measurements
An Inaccurate size frames greatly affect the overall cosmetic appearance and comfortness of the wearer. In order to fit the spectacles correctly, some technical measurements need to be taken.
Face measurements are taken to choose the appropriate size frame and to hold the spectacle in place. An Optician's ruler is a device used for it
The measurements are:
- Bridge size:
This is the width of the bridge of the nose
- Intra temporal distance:
This is the distance between the temples
- Temple length:
This is the distance between the temple and the top of the ear
- Pantoscopic tilt:
This is the angle between the normal to the temple and the frame front
- Vertex distance:
This is the distance between the front of the cornea and the back of the lens
- Segment height:
The reading segment should not be placed more than2 mm below the lower eyelid and the frame should be large enough to accommodate at least three-fourths of the segment area to enable comfortable near vision.
Progressive lenses need to be fitted with an additional care as the patient will be sensitive to even slight changes.
Payment
paying for your shopping is very easy with us. you can make all you payments to our paypal account. We dont put any hidden charges on your shopping list, what you see is what you pay. If you are winner of two or more items, then please ask us for combined shipping.
Shipping Information
1.We Ship The Product Within 48 Hours Of Receipt Of Payment Through PayPal
2.The Item Will Be Shipped From Our Warehouse Located At Delhi India, Trough India Post Only
3.We Use Registered Airmail Facility That Provides A Tracking Number. (It is available after 3 day from date of purchase.)
Please Consider The Below Mentioned Shipping Duration Before You Purchase From US. If You Need The Product Urgently, Please Request Us To Quote The DHL Shipping Rate Through eBay Massage Or You May Consider Purchasing From A Seller Based In Your Country...
.USA 48 State ,UK, Japan, Singapore:16 To 18 Days
USA AK, PR, HI, Guam: 30 To 3 Days
Russia: 20 To 27 Days
Australia: 30 To 35 Days
Israel: 30 To 32 Days
Croatia: 27 To 30 Days
Spain, Poland, Netherlands: 20 To 22 Days
Malaysia, Indonesia, Philippines, Thailand: 20 To 22 Days
Ireland: 22 To 25 Days
UK Northen Ireland And British Isles: 30 To 32 days
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Bosnia & Herzegovina, Estonia, Azerbaijan, Armenia: 30 To 35 Days
Ecuador (South America): 25 To 30 Days
All Others Country: 30 To 35 Days.
Custom Policy
Buyer is responsible for all applicable import duty & taxes within their respective country and are not included in our shipping and handling fees
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