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Main Technical Indicators
Optometry Child Universal Trial Lens Frame Optician Test Tool 50-7
0mm
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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