Understand The Eyeglasses Lenses Function To Buy The Right Product
The shape of the browline shaped frame conforms to ergonomic design, which can effectively reduce the pressure of glasses on the face and further enhance the comfort of wearing.
The browline-shaped frames can also effectively block sunlight from above, avoiding glare interference, which is very practical for people who spend long periods outdoors.
Pairing glasses and choosing a frame can already be a bit daunting, let alone choosing lenses. People often ask how many degrees and what kind of lenses to choose, and recommend anti-blue light and multi-focus. Do you need them? Or should I just buy a regular one?
Indeed, although there are many options for choosing a frame, one can still choose a suitable and comfortable style according to their preferences. Whether it looks good or not, wearing it immediately makes the difference.
But the lenses are not that easy. To put it simply, if you bring me two transparent lenses and tell me that one is more expensive than the other, I find it unbelievable and unacceptable.
So, simply understanding the functional division of some cheap eyeglasses near me lenses, the corresponding target audience of the product, and other basic information can also provide certain defensive measures in the next purchase, so as not to hear some unfamiliar terms and buy the right product for oneself.
Regarding the selection requirements for lenses, one is that the degree corresponds to the refractive index (the higher the refractive index of the lens, the lighter and thinner it is). One is the demand, corresponding to the lens function.
Choose the appropriate refractive index based on your degree, and then select the desired function at this refractive index. Of course, if there is no functional requirement, just use a single light.
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