Traditional Culture Encyclopedia - Traditional customs - The difference between 3D presbyopes and ordinary presbyopes
The difference between 3D presbyopes and ordinary presbyopes
Intelligent (3D) new presbyopia technology, is no longer limited to progressive focus limitations, the use of German advanced Hu design and production process, is no longer purely look away from the degree of vision and look close to the degree of vision. Comprehensive look away, look in, look close to multiple focal points, do not have to change glasses frequently, but also to solve that aging and myopia bringing problems, look away and look close to a pair of handle all the troubles.
Smart presbyopes are in fact multi-focal lenses, the principle of which is to focus on a number of different focal lengths, in the same lens from low to high, from top to bottom of the ladder to produce a different focal lengths, in order to meet the demand for automatic zoom to see far and near. Its shortcoming is that the change of focus will produce momentary dizziness.
Gradient lenses look the same as single vision lenses, and you can't see the demarcation line of degree change. Not only the appearance is beautiful, but also can effectively protect the privacy of the wearer's age, so that no one can tell at a glance that they are presbyopes.
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