Descriptions: 1.The device will greatly assist in the quick and easy location of the various manufacturers’ marks placed on the progressive lenses 2.This is achieved by special background contrasting and lighting 3.Adjustable inclination for a better reading 4.LED bulbs 5.The mounted magnifier assists in the reading of these marks a. Manufacturers’ marks b. Lens type ID c. Marks d. Added power 6.Test the lens strain to avoid the new blurry area 7.Check the quality if the surface and coating of the lens
Functions: Testing the lens strain 1.Power on.Hold the lens between the light source and the polarized filter and check. 2.The imbalance is proportional to the darkness of the color.The lens strain can be reduced by edging the darkest part of the lens. 3.If the lens strain is not kept in balance, the patient feels comfortable when he looks straight ahead, but when he looks something aside, he feels uncomfortable and has unclear view.This situation usually appears on the full or half frame glasses, but not for the rimless ones. 4.The strain of PC lens can not be avoided.However, the imaging quality will be much better if the lens strain is small.
Shanghai Jianongda International Group No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
Shanghai Jianongda International Group
No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
0086-21-5740-7426/6715-8578
info@jianongda.com