Adjustable Optical Trial Lens Frame, PD 48-80mm, Lightweight Alloy Optometry Frame with Adjustable Temples, Nose Bridge, and 4-Slot Insert Lense

Adjustable Optical Trial Lens Frame, PD 48-80mm, Lightweight Alloy Optometry Frame with Adjustable Temples, Nose Bridge, and 4-Slot Insert Design

• Brand new optical trial lens frame, provides the ability to refract even the most difficult prescriptions and offers all the adjustments to ensure a proper and comfortable fit onto your patient
• Inner diameter of lens frame:32.5mm. Can take 4 Lense
• Axial graduation increases along the lens frame axis counter clockwise,and the graduated distance is 5°.
• Dividing disc axial graduation: Left dividing disc:120°~0°~135° Right dividing disc:45°~180°~60°
• Range of PD adjustments:PD of both eyes: 48 ~ 80mm;left or right PD: 24 ~ 40mm;minimum graduated value: 1mm