United States
Ophthalmic Vision Stereo Tester The Frisby Stereotest Randot Optometry Tools
The Frisby Stereotest
The product includes:
3 x Test boards
1 x Ruler
1 x Storage box
Specifications:
Test Board Size: 17x17cm
Test Board Thickness: 3 boards are in different thickness, one in 1.3mm, one in 2.5mm, one in 5.8mm
Each board comes with 4 different patterns, and one of the patterns is stereoscopic pattern.
Observe Distance: 30cm-150cm
Processing time
According your order list. we will supply delivery time .
Commonly is 5-7 work days after we confirm payment
Shipping time
By Express : 3-7 days . Door to door service
By Air : 3-7 days . (the goods arrival at your local air ports
By sea : 30-40 days (the goods arrival at your local sea ports )
PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.
How many months warranty do you provide ?
one year
What should I do if the machine have question ?
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.
What should I do if the spare parts is broken in Warranty ?
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .
We will send the spare parts by express to you soon.. and we bear express cost .
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