ZXSYYDS Eyeglasses Optometry Optician,Adjustable Trial Frame Optical Trial Lens Frame PD 48-80mm,Can Be Inserted 5 Lenses,Eye Optometry Optician

Description

• Ultra-light test frames: 50g titanium frames, the net weight of the product is about 50g, so you won't feel heavy when wearing it. 5 lenses can be inserted at the same time, 3 in the front and 2 in the back, which improves the convenience of optometry.
• Adjustable interpupillary distanceEye Optometry Trial Lens Frame The adjustable range of interpupillary distance of both eyes is 48 ~ 80 mm, the left and right interpupillary distance is 24 ~ 40 mm, the maximum scale is 1 mm and the adjustable range of single eye is 24 ~ 40 mm.
• Eye distance measurementIt has the function of inter-eye distance measurement ruler, and the distance from the innermost lens to the corneal vertex can be accurately calculated by testing the ruler on the frame.
• Adjustable optic trial lens frame: The anterograde angle of the test frame can be adjusted according to the different face shapes of customers, and the length of the temples can be adjusted, the scale is accurate and the calculation is convenient.
• Wide application: The optometry frame has a wide range of uses, suitable for opticians, hospitals, ophthalmology, schools, factories and mines, etc. for vision examination, and can provide a variety of adjustments to ensure that the patient wears it correctly and comfortably.

Feature

1. Professional optometry test frame, ultralight glasses trail accessory.

2. Mainly used for optical lens trail, for glasses trail, comfortable to wear.

3. With high accuracy, universal and apply to various glasses, practical tool.

4. Precise workmanship, humanized designs, no harm for your eyes or skin.

Product parameters

Single eye movement range: 24~40mm.

Pupil distance adjustment range: 48~80mm for both eyes, minimum scale value 1mm.

Scale of dial axis: left dial 130~0~120; right dial 50~180~60

Frame effective inner aperture: 33.5mm

The number of lenses that can be inserted into the left and right frames: 5 (front 3 and rear 2)

Rotation degrees of the optical axis of the lens in the inner circle of the frame: 360

The non-parallelism between the optical axis of the lens and the geometric axis of the frame: 2.5

The misalignment between the optical center and the geometric center of the lens: 0.5mm

The displacement of the lens relative to the geometric center of the frame: 0.3mm

Adjustment range of nose pads: Adjustable length: 0~-26mm Angle: any angle

The adjustable length range of the left and right temple feet: 0~30mm

Packing list:

1 * optical trial lens frame

If you have any questions please feel free to contact us, we will reply you within 24 hours.

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