Optical Trial Lens Frame, Adjustable PD Alloy Frame, Lightweight Design for Ophthalmology, School Health Care, Optometry Testing

• [Multi Application] Optometry frame is widely used, suitable for visual inspection in optical shops, hospitals, ophthalmology, schools, factories and mines, etc.
• [Multi Adjustment Knobs] Optometry optician frame contains multiple knobs, which can be adjusted for interpupillary distance, nose pads, temples, etc.
• [360° Rotation] The lens of the optical trial frame rotates 360° around the optical axes in frame, with professional design and more flexible use.
• [PD Adjustment Range] PD 48~80mm adjustment range for both eyes of the trial frame; left and right PD24~40mm adjustment range; minimum graduation value: 1mm.
• [Lightweight] Weight of the optometry frame is very light, the net weight of the product is about 75g/2.6oz, and it will not feel heavy when wearing.

Product description Specification Item Type: Optometry Frame Material: Alloy Frame Inner Diameter: Approx. 32.5mm/1.2in Color: Black + Silver Pupil Distance (Abbreviated PD) Adjustment Range: Eye PD: Approx. 48-80mm / 1.89-3.15in; Left and Right PD: Approx. 24-40mm / 0.94-1.57in; Minimum Graduation Value: Approx. 1mm/0.04in Axial Indexing of the Dial: Left Indexing Disc: 120°~0°~135° Right Indexing Plate: 45°~180°~60° The degree of rotation of the lens around the optical axes in frame: 360° Adjustable Range of Nose Pads: Length: Approx. 0-14mm / 0-0.55in; Angle: 0° ~ 30° Left and Right Frame Leg Length Adjustment Range: Approx. 98-135mm / 3.86-5.31in (Data May Have A Little Error) Package List 1 x Optometry Frame

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