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China Instrument Optometry Eye Training Optician Child Universal Trial Lens Frame Ophthalmic Test Tool 50-70mm Free Shipping

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China Instrument Optometry Eye Training Optician Child Universal Trial Lens Frame Ophthalmic Test Tool 50-70mm Free Shipping

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Main Technical Indicators

Optometry Child Universal Trial Lens Frame Optician Test Tool 50-70mm

Features: 360 degree astigmatism axis position, error within one degree.

Lightweight and comfortable, weighing 22.2-22.6 G.

Flexible memory plastic, can bend 120 degrees.

Integrated soft silicone nose support, more comfortable to wear.

The use of aluminum magnesium alloy material, wear-resistant, not easy to deformation, the number does not fade.

Specification: Material: Aluminum Magnesium

Size: 50-70mm/2.04-2.75Inches

Package Includes: 1xTrial Frame

1.Pupil distance range:50; 52; 54; 56; 58; 60; 62; 64; 66; 68; 70mm. Please note the color when placing the order

2.Axis scale:360° on the left; 360° on the right.The axis scale increases anticlockwise along the axis of the frame, and the marking interval is 5°.

3.Effective internal aperture of frame:Φ38mm.

4.The number of lenses that can be inserted into the left and right frames:3.

5.Rotation degree of optical axis of lens in inner ring of frame:360 °.

6.The nonparallelism between the optical axis of the lens and the geometric axis of the frame: ≤2.5

7.The difference between the optical center and the geometric center of the lens:≤0.5mm.

8.Displacement of the lens relative to the geometric center of the frame:≤0.3mm.

9.Adjustable length range of the left and right frame leg:125~155mm.

Product sellpoints

Covenant Eyes Free Trial|Randomized Clinical Trial Study Design|Material: Aluminum Magnesium:Crafted from durable aluminum magnesium, this frame withstands wear and resists deformation.

Pupil Distance Range: 50-70mm:Accommodates a wide range of pupil distances from 50mm to 70mm for precise testing.

Axis Scale: 360°:Features a 360° axis scale for accurate astigmatism measurements with 5° increments.

Effective Internal Aperture: Φ38mm:Boasts a Φ38mm effective internal aperture for optimal lens insertion and viewing.

Adjustable Length Range: 125-155mm:Offers a flexible adjustable length range from 125mm to 155mm for comfortable fitting.

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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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Reach Us
Xiamen City,China
86-137-99759387

China Instrument Optometry Eye Training Optician Child Universal Trial Lens Frame Ophthalmic Test Tool 50-70mm Free Shipping

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