What Do Polarized Sunglasses Mean? | KOALAEYE OPTICAL

What Do Polarized Sunglasses Mean?

How much should a pair of prescription glasses cost?

Speaking of glasses, everyone's first feeling may be that it is not cheap to have a pair of prescription glasses. Just such a small pair of glasses, ranging from a few hundred dollars to a few thousand dollars. Why is the difference so big? So some people go online to buy glasses for dozens of dollars as if they look the same. But is it actually the same? There are a lot of differences between the glasses for dozens of dollars and for thousands of dollars, apart from the price. Also, you should be responsible for your own eyes.

Better glasses brands will adopt better designs to ensure beautiful appearance and structural safety, and have stricter quality standards. At first, these glasses are not cheap because the cost has increased a lot. In addition to the brand, different materials, process requirements, and mass production scale will also affect the cost and thus the final selling price. As for the question of what price glasses to choose, my suggestion is to choose the high-priced one within your budget. So, to choose a suitable pair of glasses, what aspects need to be considered?


Choose polarizer for fishing

It is best to choose a polarized lens for fishing to filter out the reflections on the water surface. If it is myopia, it is best to choose polarized sunglasses with myopia function according to your own eye conditions. Generally, shops in the glasses city can customize such glasses. There are also special fishing glasses that can eliminate the scaly light on the water surface so that the angler can see the fish hooked.



How to buy glasses that have quality assurance online?

First of all, you need to find a good eyewear online store and determine if there is any discount information. Big glasses usually have preferential information, and there are certain preferential activities. Lenses are very important to us, so the best quality is good. The price can be considered as the average level because low-level lenses are best not to prevent damage to our eyes. The frame is not that important, and it is only used to support the lens. Choose a pair of good-quality glasses for this combination. Optometry is closely related to the quality of the glasses. If it's not accurate, your glasses must be substandard. If your optometry data is good, you will get a real pair of glasses. You need to make sure your optometric data is accurate, which is a process you must go through when wearing glasses online.


How to choose the right glasses for myopia?

Nowadays, people are nearsighted, and they usually think of going with a pair of glasses. However, only from the media, we continue to see that there are substandard myopia glasses and frames in the report, so how should we choose when we buy glasses? How can I match a pair of suitable and high-quality glasses? Different glasses shops vary greatly from optics technology to the quality of lens frames, so different shops have different prices. Faced with a variety of glasses, how should we choose? Generally, we can look at these four standards. First, take a look at whether the eyewear company has obtained a production license for eyewear products. Second, see if the optometry equipment and testing instruments of the glasses companies have qualified marks. Third, see if the optometry and production staff are certified to work. Forth, look at whether the glasses have a conformity mark (certificate). The four certificates of eyewear companies are the prerequisite to ensure the quality of glasses.



How to choose blue light blocking glasses?

While trying it on, look at the electronic screen from a distance to see if it stimulates your eyes. Holding the glasses in front of a display screen or under an LED light to see if they reflect blue light on the surface of the lens. It shows that blue-blocking glasses can block blue light. The special blue light flashlight shines on the white cardboard through the lens, the blue light that passes through the blue-blocking lens is noticeably dimmed, while the blue light that passes through the normal lens is not changed at all, which is what the blocking blue light does. You can go to a professional eyeglass shop to detect instruments through the spectrum of professional authority, and the best blue light blocking rate is between 60%-70%.


How to adapt to progressive lenses?

People who are prone to motion sickness or have inner ear diseases may suffer dizziness, nausea, vomiting, and other symptoms due to their inability to tolerate the slight deformation of the visual objects, so they need to pay more attention when wearing them. For people who have not worn reading glasses before, it is not recommended to wear graded multi-focus glasses directly because their eyes will not be able to adapt quickly.


Prezzo di venditaDa
Prezzo di venditaDa


Blue light and anti-reflective lenses

They reduce the potential for cumulative damage to the eyes.Allowing the beneficial blue light through improves clarity, they reduce glare and reflection. They can improve your visuals and reduces eye strain and nighttime reflexes. They can reduce the symptoms of computer vision syndrome, including eye strain, eye strain, and headache.

Lascia un commento

Tutti i commenti sono moderati prima di essere pubblicati.

Questo sito è protetto da reCAPTCHA e applica le Norme sulla privacy e i Termini di servizio di Google.