As long as the design of thediscount prescription glasses frame is reasonable, it feels comfortable and stable when trying on, and the nose support fits well, then of course it can be a little lighter.   There is a prism effect in the peripheral area of the lens, which is more pronounced in large frames than in small frames. Especially for people with high myopia and astigmatism, it...

Open the computer and search for "eyeglass online matching". Most of the questions you see are: "Can glasses be matched online?", "How to match glasses online?", "What should I pay attention to when matching glasses online?" and so on.   Online lens matching is certainly possible, but you need to find a trustworthy lens-matching website and understand the steps of online lens...

The importance of eyeglasses online cheap frame adaptation. Pupil height is the vertical distance from the pupil to the lower edge of the lens.   The vertical distance from the pupil to the bottom of the lens is the pupil height. So, the pupil height of different frames is also different.   The height of the eyes is slightly different from left to right. This is why the pupil...

Memory alloy is the favorite frame recommended by the best place to buy eyeglasses because its characteristics are very obvious and can be easily demonstrated, so they often like to fold a memory alloy frame back and forth.   There are many components of memory alloys, such as nickel-titanium alloy, gold cadmium alloy, copper-zinc alloy. The better quality is nickel-titanium alloy,...

Is there a relationship between refractive index and discountglasses clarity? Yes, as the refractive index increases, the clarity will decrease accordingly.   Here we need to mention a parameter called Abbe number, which is used to measure the clarity of lenses. The higher the Abbe number, the clearer the imaging. The lower the Abbe number, the more blurry the image.   In...

Stained lenses are selected with a UV protection function. Through dyeing, different lens backgrounds are obtained, which serve the functions of shading and UV protection. It is also a type of sun protection solution and can be used to customize the dyeing of myopia sunglasses near me.   Color-changing sunglasses near me lenses are a good choice if you need to frequently go out for...

Glasses are a common product in people's eyes. A good pair of eyeglasses online can help solve visual impairments while also enhancing people's image.   Due to the high technological content of eyeglasses online cheap lenses, several concepts must be mentioned when it comes to lenses, such as the design of front and rear surface curvature, lens material, and film function.  ...

The discountglasses optical center displacement: Use a thin pen to draw a large cross on white paper, with clear and straight strokes.   Hold the lens between the eye and the cross, and use one eye to observe the shape of the cross stroke in the eyeglasses. If the strokes inside and outside the eyeglasses are not on the same line, move the lens so that the cross stroke inside...

There is no absolute quality to the discount prescription glasses frame itself. If you want to wear it comfortably, a good brand frame will have a certain impact because its design, craftsmanship, and material are all carefully considered. However, in addition, your daily wearing habits are also important.   To reduce weight and improve discount prescription...

Since most myopia is related to axial elongation and retinal recession, can we control retinal recession? Under this idea, peripheral defocusing childrens glasses lenses were designed.   The retina has a tendency to grow following the focal point. When wearing regular nearsighted glasses, except for the central focal point of the object image, the focal points of other parts of...