what is single pd or dual pd? | KOALAEYE OPTICAL

what is single pd or dual pd?

About SunReaders ®

These oversized square SunReader women's sunglasses designed by Sofia Vergara and Foster Grant is made of high-light plastic and are very cool. The shiny metal trim on the hinges ensures a delicate finish, while the scratch and impact-resistant lenses provide 100% UVA and UVB sun protection.


What Are Rimless Glasses?

A right pair of glasses enhance your appearance as well as your vision. If you choose a pair of unsuitable glasses, they can weigh down your face and hide delicate your features. So, more and more would like to choose the right pair of glasses and many people like rimless glasses.

What are rimless glasses? From the name, you can know the meaning. It means that there are no frames on glasses. Rimless glasses can help ease eyewear apprehension by improving your vision without overhauling your look.

In addition, rimless glasses are light weight and comfortable. Because they accent your natural beauty, your features won’t get buried under a pair of rimless glasses.

Of course, there are some advantages and disadvantages of frameless glasses. So, in the following section, we will list.



How to Tell If Lenses Are Plastic or Glasses?

If you want to know if your glasses are made of glasses or plastic, the safest way is to ask the optician from whom you bought the glasses. If you do not want to ask the optician, there are several ways to differentiate them, such as sound, weight, and temperature.

Lightly tap the lens against your teeth or your ring. If the lens emits a high, ringing tone, it is a glasses. On the contrary, the plastic will have a low thud like sound when tapped.

Glass lenses are much heavier than plastic glasses and glass lenses feel colder to touch while plastic glasses feel warmer since it is a better insulator.

After learning what lenses you have, it is time to show how to remove coating from glasses.


Prepare a few pairs of glasses

Many people now have a 'reserve' of glasses. For example, you can choose two pairs of glasses. One pair is for daily use, and the style should be relatively simple and traditional. The other pair is for use at gatherings or weekends and can be as cool as you want. The more conservative style is a thin and bright metal frame that matches the shape of your face. For the other pair, you can choose a flat plastic frame or a shiny polished metal frame with a unique shape.



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?


Why does an optical shop carry out the preferential activity?

These activities can attract a steady flow of traffic, but to keep the original flow out. It helps improve the store in the community awareness, expand visibility. It can attract new customers to the store, encourage old customers to introduce new customers, and stimulate old customers to buy again. And then increase store sales and add new customers.


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Who are TR90 glasses for?

Both plate glasses and TR90 frames have their own characteristics and benefits. The plate glasses deduce fashion and are easier to match clothes. It integrates the plate and the texture of the metal, which can better reflect the personality and style. TR90 frames have been widely used in many optical fields like sunglasses, 3D glasses, polarized glasses, radiation-resistant glasses, etc.TR90 frame is so popular in men and women because of its variability. TR90 frame can be perfectly combined with other metals. The neat lines and bright colors bring fresh and energetic outdoor energy to the dull city. The light texture, about half lighter than the plate frame, can reduce the burden on the bridge of the nose, ears, and facial skin, which is very suitable for teenagers who just wear glasses.

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