Henan University of Science and Technology: Which store is best for glasses?

Better go to the hospital. I read an article sent by an glasses wholesaler today.

The following is an excerpt from the article.

The wholesale price of pure white glass sheets is generally around 1 yuan, and coated glass sheets are in 5 yuan. Now, due to the decrease in output, the price of some glass plates is slightly raised to 15 yuan. Some high-grade glass lenses, such as 1.90 refractive index, are still very expensive, but few are made in China and are generally imported.

In addition, the resin lens itself does not absorb ultraviolet rays, so it is necessary to add a film on the resin lens, but so far there is no lens that really blocks all ultraviolet rays. The so-called radiation protection lenses are basically jokes. If you breathe or dip some water into the lens, you will stop them and cheat the children.

No matter what kind of diamond crystal and carbon crystal are blown, including Essilor, because the resin substrate is inherently soft and has little effect, which is not much different from cheating. Just to have a buying point to cheat your money.

The key to your lens is maintenance. If it is well maintained, it can be used for 2 years. If the maintenance is not good, it will affect the vision after one year and should be replaced.

It takes at least 45 minutes for a qualified optometrist to calibrate the light for a customer with common myopia and astigmatism, and even several days if it is complicated. But which doctor in the eye hospital will spend so much time on you? I've seen many people feel uncomfortable just making a mirror after examination in an eye hospital. The reason is computer optometry.