What Is Plastic Lens?
In the above part, we have introduced what polycarbonate lenses are. In this section, we will show you what the plastic lens is.
The plastic lens was first introduced in 1947. Since then, plastic has become a popular and widely used material for making eyeglasses lenses. Since the introduction and use of plastic lenses, it has sealed its mark as the most preferred choice in the optical industry.
Plastic lenses are light. With this feature, plastic lenses are popular because they will not be heavy inside the glasses frame and permit for an easy fit in any type of glasses frame. In addition, plastic glasses are cheap and easy to obtain in desired amounts. So, they are affordable for most people. Plastic lenses are very durable. So, they do not shatter easily on impact which makes it a great choice for individuals who are active or tend to drop their glasses often.
However, compared with other lens materials, plastic lenses are usually thick due to their low index of refraction. The soft feature of plastic glasses makes them susceptible to scratching from a sharp object and why scratch-resistant coating is applied to form an additional protective layer. Plastic lenses do not provide ultraviolet protection.
Use them in exchange for a new pair.
A trade-in would be an excellent option. The old eyeglasses can be recycled by taking them to the optical shop, which is a low carbon and environmentally friendly.
Recognize the identity
First of all, we should identify the logo of the pure titanium glasses frame. Usually, pure titanium glasses frame is on the supporting piece of the frame, and the inside of the temples is pure titanium.When online glasses need glasses retailers provide detailed pictures, to check if there is pure titanium.Usually, pure titanium frames are marked with 100% TITANIUM or PURE TITANIUM on the temples or lens.BetaTitanium stands are labeled BetaTitanium or β Titanium, which varies slightly from manufacturer to manufacturer.
How to Clean Glasses
To clean glasses by yourself, you need to be careful and use the correct way to avoid some damage to the glasses such as scratches, etc. So, follow the below steps to clean glasses lens.
1. Before cleaning the eyeglasses, you need to wash and dry your hands first. You can use the soap to wash your hands dry them.
2. Rinse your glasses under a gentle stream of tap water. This way will remove dust and other debris and avoid causing scratches on your lenses. But one thing you need to pay attention to. Please do not use hot water since it can destroy some eyeglasses lens coatings.
3. Use a small drop of lotion-free dishwashing liquid to each lens. You can only use lotion-free brands.
4. Then gently rub both sides of the lenses and all parts of the frame. Make sure to clean every part of the eyeglasses.
5. Rinse both sides of the lenses and the frame. Make sure to remove all traces of the soap. Otherwise, it will cause the lenses to be smeared when you dry them.
6. Shake youreyeglasses to get rid of the water on your lenses gently and inspect the glasses carefully to make sure they are clean.
7. Then dry the lenses and frame with a clean and lint-free towel. Make sure the towel is clean, or the dirt or debris on the towel will smear and scratch your glasses.
After all steps are finished, you also need to check your glasses again and check whether they are clean.
As for how to clean glasses, you can follow the above steps. But when cleaning your glasses, you should be careful enough. When cleaning your glasses, something you can’t do. In the following section, we will list some of them.
How to Choose Glasses for Long Face?
Bold shapes and eyeglasses with decorative details are also a smart choice since they help draw attention to your eyes and can add width to your face. Be sure to avoid narrow or rectangular shapes, which can make your face appear longer.
Square glasses: if you have a long face, you can try square glasses whose sharper corners can help to balance out the length of your face and complement your narrow features. Choose frames that are slightly wider than your cheekbones to make your face appear broader.
Two-toned glasses: if you have a long face shape, the two-toned glasses would be a good choice. The color-top frames create an optical illusion that draws focus upward toward your eyes rather than to the length of your face.
The oval shape is suitable for all kinds of frames.
Women with oval face shapes are very in line with Oriental aesthetic standards of beauty face shape.All kinds of frames are suitable, just pay attention to the size of the frames should be proportional to the size of the face. Especially female ellipse face, appropriate chooses the frame of any design but had better not use a straight-line frame, namely too tall too flat frame. All kinds of frames are suitable. Just pay attention that the size of the frames should be proportional to the size of the face. Especially women with ellipse faces can properly choose the frame of any design, but they had better not use a straight-line frame, namely, too tall too flat frame.
What is the cheapest way to buy prescription glasses?
Every time I wear new glasses, I always feel dizzy when I first put them on. Although the store always says this is normal, the glasses must be comfortable to wear, and there should be no obvious dizziness or visual distortion after wearing them. We can’t make our eyes fit the glasses, we must make the glasses fit our eyes.
