Professional Adjustable Optical Optic Eye Optometry Test Trial Lenses Frame,Optometry Optician Trial Lens electronics3 All sections are clearly defined

All sections are clearly defined

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Professional Adjustable Optical Optic Eye Optometry Test Trial Lenses Frame,Optometry Optician Trial Lens electronics3 All sections are clearly definedProfessional Adjustable Optical Optic Eye Optometry Test Trial Lenses Frame,Optometry Optician Trial Lens Features & Specifications: Range of PD adjustments: PD of both eyes: 48~80mm; Left or right PD: 24? 40mm; Minimum Calibration Value: 1mm. 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. Inner diameter of lens