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°.

Discription: Color:Black +Silver Size:15.50*6.00*3.50cm Range of PD adjustments:PD of both eyes: 48 ~ 80mm;left or right PD: 24 ~ 40mm;minimum graduated value: 1mm Dividing disc axial graduation: Left dividing disc:120°~0°~135° Right dividing disc:45°~180°~60° Inner diameter of lens frame:32.5mm. Degree of lens rotating around optical axis in the lens frame:360° Nonparallelism between lens'optical axis and lens frame's geometric axis:≤2.5° Non-concentricity between lens'optical center and lens frame geometric center:≤0.5mm Displacement of lens in relation to position of lens frame geometric center:≤0.3mm Range of nose rest adjustment: Length:0 ~ 14mm; angle:0° ~ 30° Range of left or right lens frame leg's length adjustment:98 ~ 135mm. Maximum interval between left and right lens frame legs:200mm Material: lightweight metal or plastic Package: 1x Trial Frame