Optical Trial Lens Frame - Fully Adjustable Universal Typetrial Refractive Segments Optometry - Optical Trial Lens Frames in Pakistan
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Optical Trial Lens Frame - Fully Adjustable Universal Typetrial Refractive Segments Optometry - Optical Trial Lens Frames in Pakistan
Optical Trial Lens Frame Fully Adjustable Universal Type trial Refractive Segments Optometry Fully Adjustable Universal Trial Frame Ophthalmic Trial lens frame
1. Range of PD adjustments:PD of both eyes:50~76mm;
Left or right PD:24~40mm,Minimum Calibration Value:1mm.
2. Axial calibration on each disc:
Left disc:120°~0°~135°,Right disc:45°~180°~60°,
Axial calibration increases counter clockwise along the lens frame axis, and the calibration distance is 5.
3. Inner diameter of lens frame:Φ38mm
4. The Number of lens which can be inserted into left or right lens frame simultaneously:4 pieces
5. Degree of lens rotating around optical axis in the lens frame:360°
6. Non-parallelism degree between lens' optical axis and lens frame's geometric axis:≤2.5°
7. Non-concentricity between lens' optical center and lens frame geometric center:≤0.5mm
8. Displacement of lens in relation to position of lens frame geometric center:≤0.3mm
9. Range of nose pad adjustment:Length:0~14mm,Angle:0°~30°
10. Range of left or right lens frame leg's length adjustment:98mm~135mm
11. Maximum interval between left and right lens frame legs:200mm