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What is farsightedness?When distant parallel optics enter the refractive system of the human eye and form a focal point behind the retina, it is ca...

Why is it easy to fatigue if there is astigmatism but it is not corrected?After correcting myopia with refractive error, a parallel light lens (con...

Adaptation period after wearing new glassesPeople who wear glasses all have a problem, which is that every time they change their glasses, there wi...

1. Some people say that the degree should not be matched too deeply, otherwise it will become deeper and deeper when worn?This statement is incorre...

1. The maintenance of glasses starts from removing and wearing themWhen removing and wearing glasses, it is necessary to use both hands. Pay attent...

1、 For high myopia, try to choose smaller eyeglass frames: Large eyeglass frames not only increase the thickness around the lens, but also increase...

When looking at the optometry sheet, as long as you grasp a few main letters, patients can also understand the optometry sheet. The general situati...

Just now, our store have four types of anti blue light glasses. They are transaparent lens, orange lens, yellow lens and red lens. All of them have...

Here all polarized freefrom multifocal lenses.  only change to 3 color. Note：Please read the following carefully If you have ever worn progressiv...

New and old buyers with orders above $35 can participate. Short videos are the main content (graphic blogs can also be used), and the content must ...

Spectacle corrected visual acuity, or eye protection is based on the production of a simple optics. Composed by the lens and frame. Vision correcti...