When wearing glasses, what kind of frames do you choose? Is it the elegant-looking gold frame? Or big frames that make your face smaller? No matter which one you like, the choice of frame is very important. Today, let’s talk about a little knowledge about frames.
When choosing a frame, you must first consider optical performance and comfort, and secondly choose from aesthetics.
◀ Frame material ▶
Currently, the mainstream frame materials on the market are: pure titanium, beta titanium, alloy, plate, and TR.
01-Titanium
Titanium material with a purity of more than 99% is ultra-light and is generally marked with 100% TITANIUM on the temples or lenses.
Advantages: Pure titanium glasses frames are light and comfortable. The material is the lightest among glasses materials and has very good hardness. The frames are not easily deformed, are corrosion-resistant, do not rust, do not cause skin allergies, and are relatively durable.
Disadvantages: The casting process is more demanding and the price is relatively high.
02-β titanium frame
Another molecular form of titanium, it has ultra-light and super-elastic properties and is often used as temples. Usually identified by Beta Titanium or βTitanium.
Advantages: good weldability, forgeability, plasticity and processability. Good flexibility, not easy to deform, light weight.
Disadvantages: Not suitable for people of higher heights. The front section of the frame is too heavy and easy to slide down. The lenses are too thick and affect the appearance and cannot be adjusted. There are many β-titanium material frames on the market, and their quality varies, so they are not suitable for some people with metal allergies.
03-Alloy
There are four major categories: copper alloys, nickel alloys, titanium alloys and precious metals. Alloy materials have slight differences in strength, corrosion resistance, and physical and chemical properties.
Advantages: Made from a mixture of different metal or alloy materials, they are more durable than glasses made of traditional materials and can withstand the friction and collisions caused by daily use. Moreover, the price is relatively close to the people, the color is bright, the processing difficulty is low, and it is easy to adjust.
Disadvantages: It cannot withstand corrosion in high-temperature environments, some people are prone to metal allergies, are susceptible to extrusion and deformation, and are heavy.
04-Acetate
Made of high-tech plastic memory Acetate, most of the current Acetate ingredients are acetate fiber, and a few high-end frames are made of propionate fiber.
Advantages: high hardness, warm texture, strong wear resistance, anti-allergic and sweat-proof, suitable for all skin types, especially for people with metal allergies.
Disadvantages: The material is hard and difficult to adjust. The frame is heavy and tends to loosen and slide down in hot weather, and the integrated nose pads cannot be adjusted.
05-TR
Composite super-elastic resin material invented by Koreans and applied to glasses manufacturing.
Advantages: good flexibility, pressure resistance, affordable price, ultra-light material. It is light in weight, half the weight of the plate, which can reduce the burden on the bridge of the nose and ears, and is equally comfortable to wear for a long time. The color of the frame is more outstanding, and the flexibility is super good. The good elasticity can effectively prevent damage to the eyes caused by impact during sports. It can withstand high temperatures of 350 degrees in a short period of time, is not easy to melt and burn, and the frame is not easy to deform or change color.
Disadvantages: Poor stability. Compared with metal glasses frames, the part that fixes the lenses is less stable, and the lenses may become loose. It is difficult to adapt to all face shapes, so some people need to choose a style that suits them. Surface spray painting treatment is not environmentally friendly, and the paint layer with poor spray painting technology will peel off quickly.
◀ Frame size ▶
The size of the frame should be appropriate so that the center of the black eyeball (pupil area) is in the center of the lens, not inside. The frames need to feel comfortable when put on, without pressing against your ears, nose or temples, or being too loose.
Tips: The functional lens frame should match the design of the lens.
In the case of high power, the size of the frame is best matched to the interpupillary distance to reduce the edge thickness. Measuring the interpupillary distance is to ensure that the eyes see objects through the optical center of the lens. Otherwise, the “prism” effect may easily occur. In severe cases, the image on the retina may be deflected, causing blurred vision.
◀ Nose pad style ▶
Fixed nose pads
Advantages: Generally used on plate frames, the nose pads and the frame are integrated, making maintenance easier. Unlike the movable nose pads, which require frequent tightening of screws, they are not easy to trap dirt and evil.
Disadvantages: The nose pad angle cannot be adjusted and cannot fit the bridge of the nose well.
Independent nose pads
Advantages: This kind of nose pad can automatically adjust according to the shape of the bridge of the nose, ensuring that the pressure on the bridge of the nose is evenly stressed and reducing local pressure.
Disadvantages: The tightness of the screws must be checked frequently and the screws must be scrubbed and cleaned frequently. Nose pads are generally made of silicone material. They tend to turn yellow after being used for a long time, affecting their appearance and need to be replaced.
◀ Frame type ▶
full rim frames
Advantages: Strong, easy to shape, can cover part of the lens edge thickness.
Disadvantages: Full-frame frames with smaller mirrors have a certain impact on peripheral vision.
half rim frames
Advantages: The field of view below is wider than that of a full frame. Reducing the material used in the frame can reduce the weight of the glasses, making them lighter.
Disadvantages: Because the lower part is not protected by the frame, it is easier to be damaged.
rimless frames
Advantages: lighter and wider field of vision.
Disadvantages: Since the connection between the frame and the lens is all fixed by screws, there is no frame protection, it is easy to deform and be damaged, and the requirements for the lens are higher.
For fittings with larger prescriptions and thicker lenses, it is usually recommended to choose a full frame.
◀ Frame color ▶
If you want to choose glasses that suit you and look good, you should also pay attention to matching your skin tone when choosing the frames.
▪ Fair skin tone: It is recommended to choose light-colored frames such as pink, gold and silver;
▪ Dark skin tone: Choose frames with darker colors such as red, black or tortoise shell;
▪ Yellowish skin tone: You can choose pink, silver, white and other relatively light-colored frames. Be careful not to choose yellow frames;
▪ Reddish skin tone: It is recommended to choose gray, light green, blue and other frames. For example, do not choose red frames.
You can choose the right frame for yourself through the above points.
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Post time: Apr-15-2024