2020-12-12
Match myopia lens on the net to need what data1. What data is needed for matching glasses?(1) In the absence of astigmatism: right eye degree, left eye degree, pupil distance is ok.(2) Astigmatism needs: right eye degree, right eye astigmatism degree, right eye axis, left eye degree, left eye axis, Read More
2020-12-07
Metal optical frame1. Alloy materialThere are white copper (mainly copper, mainly nickel, zinc, etc.), manganese nickel (mainly manganese, mainly nickel, etc.), high nickel (mainly nickel, chromium, manganese, etc.), nickel copper (mainly nickel, copper, etc.) and other alloy materials, with slight Read More
2020-12-01
The quality that can judge a pair of picture frame basically from 3 details.1, color - look at the depth.Put the glasses flat in front of your eyes and observe the color difference of the mirror legs under the same light intensity. Sometimes, due to mistakes in processing, the color asymmetry of the Read More
2020-11-24
There may be many reasons for the deformation of new glasses. Let me briefly summarize five points: Wrong pupil distance.The lens has a certain radian, whether spherical or aspheric lens, from different angles, things will have different degrees of deformation.The aspheric surface is in the range th Read More