Short-sightedness has become a very common problem today, with students attending school, working people in office every day, and the general public travelling on a daily basis, largely on a daily basis. Many people go to glasses, and there's a special problem. Two pairs of glasses are similar in style, and 300 bucks in a street shop can be taken away, and a single one in a chained brand store will start at 2,000, and the price gap will rise several times。
The vast majority of people are lost in their hearts and sell expensive glasses. Is that simply the collection of iq taxes? Would it hurt your eyes to wear cheap glasses while saving money? It doesn't make any difference when you're watching. The average consumer does not know the material of the lens, works in the frame, does not know the doorway in the light, and the mirrors either seek high prices, feel expensive, or just try to make it cheap, and for a long time, the problems of sour eyes, blurred visions and frequent dizziness are all coming out。
In fact, $300 worth of flat glasses and $2,000 of high-end glasses are not a simple difference. There is a real gap between the luminous steps of the previous period, the material used in the mirror raw materials, the work quality of the frame as a whole, and the routine eye-protective performance, comfort and long-term durability. Then i will tell you the true difference between the two, using the most glamorous words of the world, in combination with years of empirical and selective experience, and will help you avoid the pits on the mirroring road, and will not spend any money on them, choosing to fit their needs, wear comfortable and protective glasses。
I. I. Illustrative details are so different that the invisible steps make the eye healthy
Most of the candidates will focus on the beauty of the lenses, the price of the lenses and the fact that they are expensive. Simple, fast-flowing, full-scale, specialized photocopying, ultimately customized eyeglass parameters are completely different, and the long-term wear of disproportionate glasses slowly increases the eye burden and makes the vision worse。
First of all, the normal operation of 300-dollar-at-price glasses stores is basically a quick-lighting machine at the mall and the street shop. The whole process is particularly perfunctory, sitting in front of the instrument for one or two minutes, the machine automatically scans basic degrees and dispersive data, the shopkeeper asks two questions about routine eye-to-eyes, and goes straight to the machine's data and sets a single mirror, which can be completed in 10 minutes. This simple light detection can only measure an approximate value, which does not allow for precise matching of eye-coordination capabilities, individual pupil distance, dispersive axis, and does not take into account the different eye habits of each individual。
In the case of adults with stable degrees and healthy eyes, short-term wears may not feel clearly uncomfortable. However, as long as there are heights, high dispersions, large gaps in eyes, or young people whose eyesight is still developing, the ills of simple light detection are fully exposed. There are deviations in degrees, inoculations in pupils' distance measurements, misalignments in dispersing parameters, and when new glasses are put on, there is a tendency to see things again, to walk with dizziness, and to dry their eyes for long periods of time, which is the underlying reason why many people feel tired with new glasses。
A 2,000-dollar brand mirror, which is a complete finely refined manual light test, has been carefully regulated. The basic reference data are measured on a computer-based basis and then tested repeatedly through a manual plugin to test visions that are close to different scenes, to check accurately the balance of the eyes, personal pupils, and to adjust the lens parameters flexibly in the light of different scenes, such as mobile phones, office and outdoor walking. Optical examiners are patiently aware of the length of the day-to-day eye, the night-to-night situation, the acidity of the eye, and customize all the details to fit and keep errors within reasonable limits。
In addition, high-end mirrors are accompanied by basic eye pressure tests, eye base screening, pre-screening of dry eyes, visual fatigue and slight eye discomfort. The vast majority of people who use their mobile phones for long periods of time every day and work on their computers are suffering from poor eye control, with specialized light tests able to avoid these hazards ahead of time, with better eyeglasses and more comfortable daily wear。
To put it simply, the light of a price-free eyeglass is simply an over-the-counter, selling goods for quick delivery, and the light of a high price eyeglass is finely calibrated to protect the eyesight from the source. Many tend to think that light-sighting is irrelevant, that it is easy to measure, that it does not know a pair of glasses whose parameters are inadequate, that the eye damage is time-consuming, that the budget is limited and that the price-added lenses can be selected, but that the money for professional light-sighting cannot be saved。
Ii. The lens mass is different, with core materials opening the eye gap
The light test determines whether a pair of glasses can be worn. The lenses are the core of the entire pair of glasses, as well as 300 and 2,000 glasses, with the greatest cost difference. Our eye lenses are transparent, and they can be clearly graded in the functional configurations of raw materials purity, membrane plating, shaving resistance, dizziness protection, and ultraviolet resistance, directly affecting daily wear experience and years of use。
The 300-dollar base lenses are largely domestic-produced generic resin raw materials, which are low-cost and have a more common overall photometric performance. The configuration is very single, with only one basic scraping layer and no additional protective features, the only function being simply to correct the vision. It is barely enough to wear it for a short period of time in the room, and all shortcomings are revealed once a complex eye environment is encountered。
For long periods of time, for electronic products such as starters, computers, ordinary lenses cannot prevent harmful blue light, screen blue light directly stimulates the eye, increases acidity and dryness; goes out of the house with strong light, sunlight directly, without resistance to ultraviolet and dizziness, with blurred visions, and can be affected by walking and cycling; and surface-plating is particularly thin and can easily produce scratch marks, with a few months of yellow, fuzzy mirrors, and can only be replaced with money。
The 2,000-dollar medium- and high-end lenses, whether a large line of domestic production or a major series of high quality, are selected for high-purity resins, light-quantified high-molecular raw materials, which are optimized at light, refractive and dispersive controls. At the same level, high-end lenses will be thinner and lighter, with high-level crowds no longer suffering from thick lenses pressing their noses, and seeing things more visible。
Multilayer composite plating is the core advantage of high-end lenses, with a common mix of seven to eight layers of professional plating covering multiple protections such as reflection reduction, blue light, anti-uv, anti-water oil pollution, static electricity and wear resistance. After multi-layer plating, harmful blue light capable of effectively filtering electronic equipment weakens the light of night-time cars, roadlights and the strong light of the eye, preventing ultraviolet light from harming the crystals of the eye; lens surfaces are oilproof, oil stains on hands and rain fall on them, and can be cleaned with light, with no easy dust, fingerprints and special daily care。
At the endurance level, high-end lenses are more resilient to shocks and wear and tear, and daily intakes, small bumps are not easy to crack, scrape, properly worn and maintained, and yellow and oxidizing are not observed for two to three years, and clarity remains on the line. At the same time, it optimizes the problem of dissemination by seeing that objects do not have edge colours, shadows, driving at night, commuting at night, and a softer view without easily creating visual fatigue。
Here, too, you can correct a common area of error, either the thicker the lenses, the better the protective effect, or the imported lenses must fit everyone. The 300-dollar basic lens, suitable for a simple eye, stable in degrees and limited in budget; the heights, long-term incubation, frequent night trips, outdoor work friends, are better suited to deploy comprehensive medium- and high-end lenses, long-term eye-protective effects and comforts, which are particularly visible。
Iii. There's a big difference between the frame work and the comfort level
Many of the candidates look at the mirror at first glance, and the price should not be so bad because it looks similar. Very few people know, however, that mirror raw materials, production processes, human engineering designs are also critical gaps of $300 and $2,000. Low-cost mirrors are mainly produced in low-cost batches, with high-end frames focused on material quality and detail grinding, long-skinned adhesiveness, heavyness and durability, which cannot be compared at all。
Most low-cost materials, such as ordinary plastics, low-quality alloys and cheap steel racks, are produced in large quantities by streaming lines. The whole work is rough, the edges of the frame are not flat, the cleavages are visible, the metal connections are welded rough, and they are easily rusty and loose over time. The plastic frame is rigidly rigid, the temperature of the winter is fragile, the heat of the summer tan is prone to discoloration and a slight odor spread; the general alloy frame is generally heavy, with heavy pressure on the nose for long periods of time, and the sunholes in which the simple nostrils leave visible red marks on the nose and experience poor wear。
Also, the valor frames are uniform and fixed sizes are not adjusted to the different faces, the high nose and the width of the ears. When people with broad faces, low noses and special ears are placed on, the problem of frequent slides of mirrors and tight legs can easily arise. It is common for the screws to move loosely, for mirror leg deformation and for the frame to break, and it is particularly difficult to adjust and repair frequently, adding many extra costs to the intangibles。
High-end mirrors at a price of 2,000 dollars, with the selection of materials strictly controlled, pure titanium, beta titanium, high-quality plates, high-ball tr90 and light quantitative alloy are the main materials. Pure titanium and beta titanium are too light-weight, corrosive, stainless, skin sensitive to wear, and are barely burdened all day; high-quality frame frames are so resilient that they are not deformed, texture is so high that they resist high temperatures and oxidation that they are not easily aging; high-bullet tr90s are extremely flexible, do not break easily at random, and daily exercise and commuting are safe。
The details are on top of the work, all of the high-end mirror frames are polished with fine polishing, the edges are round and smooth and do not rub their cheeks and behind-ear skins; the small fittings, such as chains, fixed screws, silica nostrils, are custom-made reinforcements, which are smooth and stable, and are not easy to break; the mirror legs are designed according to the anthropological arcs and are perfectly aligned with the back-of-ear lines, with no clamps or ears, and are not in a state of discomfort if they go to work or go to the streets for long periods of time。
In addition to this, high-end frames are professionally oxidated, corrosively resistant, exposed to daily sweat, skin and cosmetics, without hair, rust or paint. A high-quality frame for doing work, which can be used for more than five years as long as normal maintenance is in use. The valor frame looks cheap, but it's fast and fragile, it's new in a year or two, it's a long-term calculation and it's not cost-effective。
Iv. A significant gap in post-sale safeguards and the long-term use of invisible services
In addition to the lenses, frames, light tests that can be seen in the naked eye, 300 and 2,000 glasses, there are many invisible gaps that can easily be ignored in after-sales services, quality assurance cycles, and daily support services. These insignificant details, which directly determine the ease of subsequent long-term use, are also key points that many mirrors can easily ignore。
The general and small-priced glasses store is basically a one-off sale, paid for and equipped with glasses, and then sold largely incompletely. Daily mirrors are deformed, screws are loose, noses are broken, and most small shops charge a separate fee for free adjustment and maintenance; the lenses suffer from an artificial quality problem, and it is difficult to benefit from free replacement and after-sales security. Most low-cost glasses have only a short three-month quality assurance period, or even no written quality assurance agreement, and in the event of any quality problems at a later stage, they can only be replaced at their own expense。
At the same time, there is a shortage of spare parts for small glasses stores, and it is difficult to find replacements for small crowd-style mirror legs, nostrils and matching screws. As long as the spare parts are damaged, they are largely unrepairable and can only be replaced directly by a full frame, adding to the cost of consumption. The overall service model is simple and straightforward. It only sells mirrors, does not speak of the method of day-to-day maintenance of glasses, reasonable eye techniques, and does not provide any intensive maintenance services at a later stage。
High-end glasses from formal brand stores are fully equipped with official after-sales systems, and basic quality assurance is generally available for periods ranging from one to two years. During the quality warranty period, mirror plating is naturally defunct, mirror frames are not artificially fractured, fittings are normally damaged, and free maintenance and replacement services are available, as well as support for free mirror-branding for life, screw hardening, professional ultrasound cleaning, free maintenance care at any time, regardless of how long they are worn。
A number of brands are also offered practical value-added services, including regular visual review, simple eye health screening, exclusive lens cleaning kits, portable protective kits, etc. The shopkeepers, together with different groups of people, such as workers, students and outdoor workers, give advice on how to fit their daily eyes, explain how to wear properly and clean their glasses, reduce the wear of the lenses and help to stabilize their vision。
Good after-sales security is particularly important for people with long-term glasses. Free adjustment, regular maintenance, regular quality assurance will keep glasses in optimal state of wear, save many repairs and create new problems. The mirrors cannot be based only on a single entry price, combining useful life, maintenance costs and post-sales experience to calculate the true value of a pair of glasses。
V. Equipment of shoots on need and no place, practical resources responses of resources for massing groups
After looking at the full range above, it is clear to all that 300-dollar flat glasses are not unenable, and there is no excessive premium for 2,000-dollar high-end glasses. The two glasses correspond to different eye-to-eye needs and budgetary criteria, with no absolute difference between good and bad, but between those that are not suitable for themselves. It would be wiser to reject the blind pursuit of higher prices, and not to try to be cheap and cost-effective, combining self-image with reasonable choice of vision。
Limited budgets and long-term stability, which are usually worn only in indoor environments such as classrooms, offices and so forth, with a simple view of the student population, it is possible to choose a flat-rate combination of $300 to $600. Priority is given to a regular door shop for fine test light, with basic lenses and light-resistant frames that meet the full range of daily visual corrections and the full range of value for money。
It is recommended that the budget be kept at a level of $1,000 for long periods of time sitting in the office, facing computer and mobile screens, with eyes longer than eight hours, and often feeling sourly dry eyes. Priority is given to medium-end lenses with light blue light resistant to fatigue, with light quantitative titanium alloy frames, reducing facial oppression, reducing the continuous irritation of the eyes on electronic screens and increasing the comfort of wearing them all day。
High altitude, heavy dispersion, frequent night driving, long-term outdoor operations, or eye-sensitive friends who are prone to frequent fatigue, giving priority in their own budgets to a medium- and high-end configuration of between $1,500 and $2,000. High-reflective light lenses combined with multiple layers of comprehensive protective plating, combined with human engineering-quality frames, both address the pain of thick lenses crushing the nose and protect the eyes in all their aspects, so that they are more secure over time。
Finally, two practical pit avoidance techniques are shared: first, the import of large-scale lenses without blind superstition, the current high-end lenses of many national brands, the quality of the process, the protection of which is completely non-receivable, the price of which is less than half the value of the imported product, the price of which is higher. Second, the blue-ray lenses are not blindly selected, the light-proof blue light is enough for daily indoor office selection, the dark-coloured blue-light lenses are yellow, the colour of which is reduced and not suitable for permanent wear。
The core gaps are reflected in four main areas: specialized photometric processes, lens raw materials and membrane plating, mirror materials for engineering and anthropotechnical design, and improved after-sale quality protection services. Low-cost glasses are used for basic corrective functions and are suitable for ordinary people with simple eyes and a limited budget; high-priced glasses are better for people with comfortable, fully protected, durable and suitable for high-intensity eyes and special scenes。
The core nature of glasses will always be to fit a person's vision and everyday eye habits, either the more expensive or the cheaper. Ordinary consumers rationally distinguish between functional and marketing premiums, incoherence, and consumption on demand, saving unnecessary wrongs and protecting the health of their eyes。
How much budget do you normally have with glasses? Do you think it's worth the upgrade? Messages on the comment area would be welcome to share their views and share them。
