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For myopic friends, every time you go to the glasses shop to choose glasses frame is a very headache problem, it is difficult to choose a pair of glasses suitable for their own, that today teach you how to choose a pair of glasses suitable for their own frame. Step 1: Ch...Read more »
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At present, many people believe that the more expensive glasses are, the better! To grasp this psychology of consumers, optical shops often use refractive index as a selling point to increase the price of glasses in order to obtain higher economic benefits. The higher th...Read more »
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When you are choosing eyeglass frame, you only know to choose the style of eyeglass frame, but ignore the material of eyeglass frame? But in fact the material of the picture frame is more important than the style! This article teaches you a minute to understand the main ...Read more »
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Frame material can be divided into titanium, Monel alloy, aluminum magnesium alloy, stainless steel, memory titanium alloy, plastic, TR90, and plate and so on. 1. Titanium: it is the main material of high-grade frames in the mirror frame market. Is the lightest frame, th...Read more »
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Anti blue light lens, dyed lens, color changing lens, polarized lens, sun lens...... The lens on the market is multifarious, various, material and function differ, choose the lens that suits oneself to let many people make difficult. What function do these lenses have? W...Read more »
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With the increase of glasses demand, the style of the frame is also multifarious, sedate black square, exaggerated color round frame, shining phnom penh big frame, there are all kinds of grotesque shape...... So, for the selection of frames, we should pay attention to wh...Read more »
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With respect to spectacle frame itself, it is basically three factors: material quality, craft detail and design. Material: mainly divided into metal, plastic and other materials. The best metal material is titanium, pure titanium, B titanium or titanium alloy. Titanium...Read more »
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Why do we wear glasses after a period of time will feel less clear and bright when first wearing? In addition to natural aging, lenses will also be worn and scratched in the process of daily use, so how do these scratches come about? Today, let's talk about what scr...Read more »
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Intrinsic quality factors of resin lenses: 1. Base material quality The substrate quality determines the durability of the lens and the reliability of the coating. Good substrate clear and bright, long use time and not easy to yellow; And some lenses use time is not lo...Read more »
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From single focus lens, bifocal lens and now "progressive multi-focus lens", "progressive multi-focus lens" has been widely used in adult anti-fatigue lens, middle-aged and elderly progressive lens and adolescent myopia control lens. So, do you really know anything ...Read more »
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So let’s just take a quick look at what blue light is. Short-wave blue light is relatively high-energy light with a wavelength between 400nm and 480nm. The blue light in this wavelength will increase the amount of toxin in the macular area of the eye, seriously threatening our fundus health...Read more »
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A sphere is the whole surface with one curvature, just like cutting from a sphere, and a non-sphere is a different curvature, like maybe cutting from an ellipse. The purpose of the spherical aberration is to solve the problem of spherical aberration, because the spherical surface has different fo...Read more »
