The wholesale price of plain white glass is generally about one piece in 1 yuan, and that of coated glass is in 5 yuan. Now, due to the reduced output, the price of some glasses has been slightly raised, so it should be in 15 yuan. The price of some high-grade glass lenses, such as 1.9 refractive index, is still very high, but few are made in China and are generally imported.
The wholesale price of ordinary white resin sheets is generally around 4 yuan, the price of ultra-thin resin sheets with 1.56 films is between 7 and 15 yuan, and the price of aspherical lenses is around 1 yuan and 25 yuan, and the prices of some brands may be slightly higher.
basically, the price of the film has little to do with whether the film is green, blue or yellow. Some places will use the film to make small articles and sell them for a few more dollars.
1.61 tablets are basically around 5 yuan, 1.67 tablets are around 13 yuan and 1.74 tablets are around 5 yuan.
Progressive films are basically made in 6 yuan, and those of big brands are slightly more expensive.
The price of color-changing resin films is around 7 yuan, and it is even lower if you take them in large quantities.
7 yuan without film and 18 yuan with film.
generally speaking, astigmatism films are free of charge. Astigmatism films above 2 degrees are more expensive in 5 yuan, while those above 8 degrees are more expensive in 5 yuan, and lenses above 1 degrees are more expensive.
customized lenses may be more expensive.
In addition, you should never buy UV-4-proof resin sheets. Generally, fluorescent powder is added to them, which is opaque to ultraviolet rays on the surface. In fact, it blocks light, which not only affects your eyesight, but also makes you unable to see anything clearly in strong light at night, so our female boss in the same wholesale market crashed her car.
In addition, the resin lens itself does not absorb ultraviolet rays, so it is necessary to add a film to the resin lens, but so far there is no lens that really blocks all ultraviolet rays. The so-called anti-radiation lenses are basically jokes. If you breathe or dip some water into the lenses, you will prevent them and cheat the children.
No matter what kind of diamond crystals are blown, carbon crystals, including Essilor, have little effect because the resin matrix is inherently soft, which is not much different from cheating. Just to have a buying point to fool your money.
The key to your lens is maintenance. If it is well maintained, it can last for 2 years. If it is not well maintained, it will affect your vision in one year, so it should be replaced.
all resin lenses have to be tested when they leave the factory, and the A-grade products have basically gone abroad. At present, all the resin lenses in the world are basically processed by our country, because this kind of factory is not environmentally friendly, restricted abroad and has high cost, so they transport the raw materials to China and export them after processing, including all big brands.
Class B products are generally sold in China. They can be sold as lenses of different grades with different packaging and a license. The advantage of this is the same thing, which can be sold at different prices in different stores. For example, the brand of Wanxin film you bought in A store is Lansha, and a W appears when you breathe in the lens. The real thing, I'll sell it to you for 6.
when I arrived at store b, the same wanxin film, with the trademark Asadi, showed a D on the lens with one breath. It's the real thing, better than Lansha, and it costs you 8 yuan.
as for the air-breathing label, it is too simple, that is, it is formed by using electrolyte to generate a strong charge and penetrating one or two layers of the coated lens film through a screen.
I once made a screen with the logo of SB myself, and then printed some mirror bags with Sabel at 3 cents each, so as to mark the most junk C-rated films with this logo. Guess what? In our province, Sabel films are very popular, and we don't bargain for each 18 yuan.
of course, you all know what SB means, but I don't know if you have been an SB. Before I got into this business, I was.
this equipment only needs 5 yuan, and basically every wholesaler has it. At present, big manufacturers like Wanxin send out labels and bags directly, and whatever label you put on is what you want, and retailers can come with whatever they like.
Up to now, retailers with larger sales have understood this. They have their own marking machines, printed some mirror bags, and advertised that if the price of our goods is higher than that of other stores, they will pay compensation of 2, yuan. Even if it's a lie, the lenses in his shop can't be bought all over the world.
There are good and bad glasses. If you want money, you should buy Zeiss glasses, especially Zeiss glass glasses. It will take 25 days to order a pair, and it will be good for them to send them to Germany for processing and then send them back. Note that it must be sent to Germany for processing. Why? First, it will basically be replaced in China. The more high-end lenses such as Zeiss and the original factory Yiyi Road, the price is open, and the profit of retailers is very small, less than 5%. If you take the trouble and take the risk, the profit will be over 95%. Why, so it must be changed? Didn't I tell you, the more big stores bully stores, the more they cheat you. If it's marked, anyone can fight. You are an ordinary consumer, why do you say it's fake Zeiss? Identification? Do you know what our relationship is with the buddies in the Metrology Department of the Technical Supervision Bureau? At least, we have done goods together. You are sure to lose. We run an optical shop, who doesn't have a net worth of hundreds of thousands, and you are trying to cut me off, can you win?
Second, you should understand the most basic truth. Glasses are comfortable to wear. The quality of glasses only accounts for 1%, 9% depends on the level of optometrists, and the other 9% depends on the skill of optometrists.
what matters to a qualified optometrist is not education, but experience. I have a bachelor's degree, and in my first year in the industry, my theoretical assessment was the first in the city. In practice, optometry was also good, but until today, I still made mistakes. This is a process of accumulated experience. Without thousands of glasses, do you dare to say that you are a real optometrist? I think you can buy an optometrist's card for 19 yuan, hehe. Come on, China people are all boastful. I'm still an intermediate optometrist now, and basically all those who just started have bought a senior optometrist's license. Don't you just add 8 yuan? Why don't you just buy an advanced certificate?
It takes at least 45 minutes for a qualified optometrist to calibrate the light for a customer with common myopia and astigmatism, or even several days if complicated. But which doctor in an eye hospital will spend so much time on you? I have seen many people who are uncomfortable just doing a mirror after examination in an eye hospital. The reason is computer optometry.
computer optometry is accurate, sometimes, but rarely.
Up to now, the only feasible objective measurement method is retinoscopy, and others, such as computer optometry, can only be used as an aid.
There are also shortcomings. There are hundreds of millions of people who are nearsighted in China, but how many optometrists are skilled in optometry? Hehe, so I dare to assert that the vast majority of nearsighted people in China may not know the truth of their eyesight accurately until they die.
Look at the fact that many students are rising from "12 Baidu" to "67 Baidu" step by step, which is absolutely related to the current academic stress, inaccurate optometry results and unreasonable lens making.
the same pair of lenses and the same optometry result are made by different lens makers with different tools, and the effect is completely different.
At present, all the big stores are fully automatic machines with mold-free, and the manufacturing accuracy can basically meet the needs of users.
And most mid-range shops are full-automatic machines that make manual templates. Japanese products are ok, and domestic products basically have the phenomenon of axis running and left-right asymmetry. You can't deny or be sure about the lenses you make. Touch them.
as for the lenses made by hand wheels and pliers in small shops, don't think about it. It would be strange to think about it. Someone said, it's a nice shop. I've been doing it for many years and it's quite comfortable.
Do you know that the human eye is the organ with the strongest regulatory power in the human body? Your eyes have adapted to his glasses, hehe.
things in big stores are expensive, and it makes sense that they are expensive. If you want to be accurate, how much is it ten times?
If you want to be accurate, especially if there is astigmatism, you must choose a mirror with half-frame drawing, because it is integrally formed, which can guarantee that there is no error at all. Punching needs manual assembly, which is easy to deviate, and the whole frame often needs manual edge grinding, which is likely to be wrong.