Optometry Optician Trial Lens Fully Adjustable Trial Frame Optical Frame Eye Optometry Optician

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 Range of PD adjustments:PD of both eyes: 48 ~ 80mm;left or right PD: 24 ~ 40mm;minimum graduated value: 1mm Degree of lens rotating around optical axis in the lens frame:360° Number of lens which can be inserted into left or right lensframe simultaneously Axial graduation increases along the CTCHXXYOU lens frame axis counter clockwise, and the graduated distance is 5°.