When you have glasses, many people are confused: you can see things, you can sell them for 300 and you can sell them for 2,000. If it's expensive, it's fine. Today we will talk about the topic in plain language, tearing down the differences between mirrors, frames, light services, etc., and helping you to understand what the doorway is。
Mirrors: “big head” of price differentials, material and functionality poor
The central part of the glasses is lenses, which directly affect visual clarity and comfort and are the main source of price differences. 300 and 2,000 glasses, the difference between lenses may be larger than expected。
Materials: from glass to resin, and more advanced "space materials"
The early lenses are mostly glass-based, very hard and light-sensitive, but the disadvantages are obvious — heavy and fragile. Now, cheap glasses, which may be common resins, are much lighter than glass, more resilient and less costly, and 300 glasses are common。
More expensive glasses, lenses, may be upgraded resins, such as cr-39 resins, photo-rate and wear-resilient; and pc materials (polycarbonate), which were originally used in space, automobiles, especially light, shock-resistant, suitable for children and sports fans, are of course more expensive。
In addition, the “reflective rate” of the lenses is key to influencing prices. The higher the refraction rate, the thinner and lighter the lenses. For example, lenses of the same degree may be sufficient with a 1. 56 refraction rate of less than 400 degrees, at a relatively cheap price; but lenses of a height of more than 600 degrees, with a 1. 67 or 1. 74 high refraction rate, avoid the effect of “beer bottle bottoms” caused by the thickness of the lenses, which are often several times higher than normal lenses. It is likely that 2,000 glasses will use high-refractive, high-quality resin。
Function: blue light, ultraviolet light, colour variation, additional features more expensive
In addition to the basic visual function, the additional function of the lens is also an important factor in price opening. An ordinary 300-dollar lens, which may be the most basic optical lens, corrects the sight but does not have any additional function. And expensive glasses, lenses, often add a variety of functional functions。
For example, blue-light lenses, people are watching mobile phones, computers every day, and the damage to the eyes of blue light is increasingly valued. A good blue-ray lens filters harmful blue light while ensuring that the light is not broken and that it does not turn yellow and dark. The lens is more complex and naturally expensive。
There are also ultraviolet lenses, especially for those who often operate outdoors, which block ultraviolet light and protect the health of the bottom of the eye, and which are more expensive than normal lenses. In addition, special features such as colour-change lenses (which can darken up in the sun, return to interior transparency), migraines (which are suitable for driving, reduce dizziness) are much more expensive than normal lenses, which together may cost a large portion of 2,000 glasses。
Plating: invisible "protective film" affecting durability and comfort
The plating of the lens surface is also easily overlooked details, but it has a significant impact on the use experience. Cheap lenses may have only one layer of basic plating, or even no plating, with long wear-and-reflective light, with sharp eye spots and impact clarity。
And expensive lenses can have multiple layers of plating, such as reflecting membranes (reducing reflection and not obscuring light at night), grinding membranes (which are not easy to scrape and extend their useful life), dredging membranes (waterproof against oil, lenses when rain or sweat). These layers of plating require sophisticated processes, and each additional layer of plating increases costs and ultimately reflects the price of glasses. 2,000 glasses, lens plating, tends to be more mature, comfortable and durable。
Mirrors: material, process, brand, influence on wear and colour
While not directly affecting vision as much as lenses, the material, design and process are related to the comfort, durability and beauty of wearing, which is also an important aspect of price differentials。
Materials: from plastic to titanium alloy, with a difference in weight and quality
300 glasses, mirror material, may be common plastics (e. G., acetic acid fibres) or alloys. Plastic mirrors are light and colour-rich, but sweaty in the summer is easy to deform, and long wears may hurt the ears; ordinary alloy frames are cheap but may be rusty and some are allergic to metals。
For 2,000 glasses, the mirror material may be used for titanium alloys, which have the greatest advantage of being light, more than half lighter than ordinary alloys, and of being strong, corrosive and more friendly to the skin and less allergic. There are also high-end titanium materials such as titanium pure and beta titanium, which are more complex and more expensive. In addition, there are luxury brands that use special materials, such as tungsten (conformity imitation), wood, and unique designs at a natural price。
In addition to the material itself, the processing of mirror frames also affects prices. Cheap frames may be mass machine production, with rough details handling, such as hair piercing in the corner, inflexibility in the chain and looseness in long wear. Expensive mirror frames may be sharpened with fine springs, smooth springs, fine and loose, more face-to-face clothing and greatly improved comfort。
Design and branding: impact of paint and value added
Many people buy glasses that look not only at function, but also at face value, and often have better design frames. Cheap glasses, which may be simpler to design, even mimic the popular style, lack originality. And expensive glasses, probably from a professional designer's hand, are more asian-styled, more beautiful and more face-based。
Branding is also one of the factors influencing prices. Some well-known eyebrow brands, such as ray pen, amani and others, have brand value added and, together with strict brand control requirements, the quality and design of the frame are more secure and the price is naturally higher than the price of an unknown card. Two thousand glasses may include brand design costs and brand premiums。
It should be noted, however, that the brand premium is not exclusively an “iq tax” and that well-known brands are usually more proficient in terms of material selection, process standards, after-sales services, etc., but rather have to be weighed according to their needs — whether they value brands and designs more than value for value。
Lighting services: cheap glasses may be less expensive and more accurate
Glasses are not just for lenses and frames, but the accuracy of the light is directly related to their suitability. 300 and 2,000 glasses, and the light services behind them may be very different。
The cheap glasses store, which may be easier to see, will be finished with a computer photocopy, and a few more minutes at the most. This rapid light test, while allowing you to see things, may ignore many details, such as the accuracy of the pupil's distance (which does not allow for deformation, dizziness), the correctness of the axis in which the light is dispersed, the compatibility of the balance of the eyes, etc. For persons with special eyes (e. G., old eyes, high eye degrees), such simple light can easily produce inappropriate glasses, and long wear may increase eye fatigue。
In the case of higher-priced glasses stores or ophthalmic hospitals, the light-sighting services are more specialized and detailed. Photologists may conduct a series of steps, such as fog vision, red and green tests, eye balance and so on, which may take 30 minutes to 1 hour. They will also ask you about eye habits (e. G., long distance or nearness), whether there are symptoms such as dryness and headaches, and to adjust parameters based on this information to ensure that the glasses are not only clear, but also comfortable and can be worn for long periods of time。
The cost of such a specialized photocopying service is already included in the price of glasses. The 2,000-piece glasses, which may contain more precise light testing and more personalizing parameter adjustments, are valuable for protecting the eyesight and enhancing the wear experience。
After-sale service: your glasses are “selling less”
The purchase of glasses was not a hammer, and subsequent adjustment and maintenance were important, and there was a gap between cheap and expensive glasses。
The 300-dollar glasses, which may not be available after sale, have been worn for some time, have been loosed, have been scraped, and have to be dealt with by themselves or paid for repairs. While expensive glasses usually provide better after-sales services, such as free adjustment of mirror frames (e. G. Loose nostrils, asymmetrical mirror legs), maintenance advice after abrasion of lens plating, and even free replacement of small accessories (e. G. Screws, nostrils) for a certain period of time。
Some high-end eyeglass brands also provide long-term visual tracking, regularly reminding you to review your eyesight and adjust your eyeglass parameters to changes in vision. While these after-sales services cannot be directly reflected in the quality of the glasses themselves, they can make users more cautious and cost-effective in the long run。
Is it expensive? The only thing that matters is for yourself
Seeing here, someone might think, "priority glasses are better," but it's not. There is a link between the price and value of the glasses, but it is not an absolute positive relationship, but it depends on its suitability。
For example, student party degrees change rapidly, and it is possible to change glasses every year and choose a 300-500-dollar value for sex, which is both sufficient and not wasteful; while adult degrees are stable, requiring a long time each day to wear glasses, pursue comfort and durability, and spend 2,000 on a pair of good materials and light-testing glasses, which would be more cost-effective if used over time。
There are also special circumstances, such as the high near-sighted population, which has had to choose high-reflection lenses to make them lighter, when higher prices are necessary; but when low-intensity near-sightedness is used only occasionally and ordinary lenses are fully adequate, there is no need for expensive pursuit of high-end functions。
In addition, there are cases of “flush pricing” in the market, such as the use of general-material glasses, which sells at high prices with brand labels, at which point the eyes are polished to avoid paying unnecessary premiums。
Summary: reasonable perception of price differentials and choice to follow as required
The difference between 300 and 2,000 glasses is mainly reflected in lens material, functionality, frame material, photocopying services and after-sales services. Precious glasses tend to be better in terms of materials, process and services, but this does not mean that cheap glasses are not usable。
The most important thing is to go to a professional institution and see for itself (degrees, dispersions, pupils, etc.) before choosing the lenses and frames based on eye habits, budget, etc. For example, blue-light lenses are often considered by computers, shock-resistant frames are selected by motion, and high-intensity mirrors are targeted。
Remember, the central function of glasses is to help us look at the world clearly and comfortably, as long as this need is met, whether 300 or 2,000, the right option。
