作者： mymanufacturers

分类
Eyeglasses

How to distinguish eyeglass

Due to different refractive index Buy Lenses For Glasses materials, of course, the smell is different. Grind the lens with a hand grinder. Experienced opticians know what refractive index Glasses Lens Index are when they smell them. Especially 1.74 and 1.67, that taste is very special. Use a specific instrument: a thickness gauge. The refractive index of the Gradient Tint Prescription Lenses can be calculated by measuring the thickness of the lens at the center point and a certain distance (2 or 3 cm) from the center point. This is the most accurate method at present. The advantages are as follows:

A. It will not be affected by the factor of different High Index Lenses Meaning center thickness from different manufacturers.

B. It will not be affected by the factor of thin lens edge due to thin processing.

C. It will not damage the lens.

分类
Eyeglasses

What kind of frame is suitable for you

The composition of Trendy Glasses For Men material and its advantages. Pure titanium Glasses Frames For Men: it is made of a pure titanium metal material, and the purity of titanium reaches more than 89%. More use OF IP electroplating, strong stability, not allergic. Especially light, the weight is almost only half of the weight of alloy Eyeglasses Frames For Men, is the pursuit of light welfare. Very corrosion-resistant, twice as strong as steel, used to make space shuttle casings and so on, known as “space metal”. Frames made of pure titanium bear the following marks: TI-P or TiTAN, T-P, Titan-P, 100% Ti… Super light, super hard; Basically made of titanium except for the bracket, hinge and screw. The advantages of pure titanium frame are high strength, corrosion resistance, good flexibility, not easy deformation, durability, etc. Very light, very low pressure. If you wear it for a long time, you won’t feel stressed. Pure titanium Glasses Frames stability is stronger, will not cause allergies to the skin. Pure titanium frame metal texture is strong, especially suitable for people who like business style. Of course, the price is natural or more expensive.

分类
Eyeglasses

What glasses does cataract wear

Cataract is the degeneration of the lens portion, and subjective symptoms were decreased vision, part of the cataract patients, can appear in early due to change the density of the lens astigmatism, nuclear cataract patients, there will be myopia, if you wear Mens Prescription Glasses, can have certain effect to improve eyesight, but due to illness and young people use different refractive errors, Therefore, it may be difficult to carry out the test of Stylish Glasses For Men, so we should go to the ophthalmology department of a professional hospital for comprehensive optometry, and then audition to determine the specific degree and test the Fashion Glasses For Men. However, cataract will continue to develop, and the opacity of the lens will become more and more obvious, so the degree will change. Before the Fashion Eyeglasses, according to the speed of development of the individual, the use time is different, when the eyesight is obviously affected, the only way to improve the eyesight is through surgery, which is the only way.

分类
Eyeglasses

How to distinguish good glasses

Glasses are mainly used to correct vision, and for children the purpose is to cure and restore visual function. The results of poor Mens Round Eyeglasses quality, light correction of vision is not ideal, serious distortion of vision, headache, eye distension, long-term wearing will affect the recovery of children’s visual function and amblyopia treatment. So many eye experts think that unqualified Small Round Glasses are as terrible as unqualified drugs.

Glasses is composed of lenses and frames, but is by no means both mechanical combination, a lot of people think: my frame is high quality, the lens is after testing qualified, then assembly Circle Eyeglasses must be qualified, is actually the idea is wrong, just like a good fabric and stitching is not equal to must be able to get a form-fitting clothes. The main problems of assembling Small Round Eyeglasses are assembly technology problems, mainly manifested in pupil mismatch with optical center and axial dispersion deviation.

分类
Eyeglasses

What should I consider when choosing a frame

Nose shape is another factor to consider:

Larger nose: Choose a larger Frameless Eyeglasses to balance. Long nose: A high Rimless Glasses Frames distracts attention forward or up, making the length less obvious. Small nose: Light color and high bridge can make the nose look longer.

Skin tone: Fair-skinned people have a wide range of choices, and basically dark Rimless Frames, light shades can bring out the best results. Dark shades, such as black Browline Frames and gray, are the best choice for people with darker skin tones, which will make the skin appear brighter.

分类
Eyeglasses

Do you know the high nickel alloy glasses frame

High nickel alloy Glasses Frame Measurement: nickel content up to 80%, mainly nickel chromium alloy, manganese nickel alloy, etc., high nickel alloy corrosion resistance is better, in addition, the material. Nickel alloy corrosion resistance is better, and is not easy to rust, good elasticity, so the metal Rimless Frames using nickel alloy material accounted for the majority, generally used in middle and high-grade frame.

Generally speaking, most of the alloy Round Frame Glasses Mens will be better, there will be no allergic phenomenon, and the material of the frame is generally thin, so it is not easy to bring a sense of pressure, feel and appearance are better, now this kind of frame is more popular most people like this kind of Browline Frames.

分类
Eyeglasses

Why is the lens coated

Mirror coating with three film layers, the first layer of antifouling film, to prevent dust and oil stains; The second layer of anti-reflection film, improve the lens light pass rate, so that the lens see things clearly; The third layer belongs to the hard membrane, play a role in preventing lens wear, scratching. Film lenses are divided into Small Round Eyeglasses and resin. It is also divided into two kinds in practicability: one is anti-ultraviolet film, which is coated with transparent materials of different refractive index and thickness on the surface of the Transition Lens Glasses, and uses the principle of light refraction to resist ultraviolet damage to the eyes. After the lens is added with anti-ultraviolet film, it can also play the role of anti-reflection, and enhance the light permeability, reduce glare, things more clear and bright. The other is to add hard film, in the lens surface plating a layer of hard film, so that the anti-wear ability of the Transition Lenses Colors enhanced. On the market, good quality lens coating price is more expensive. Cheap coatings do not protect the eyes. After adding the film, the Progressive Lenses Online appears green or blue or yellow when viewed from the side, indicating that it can resist the ultraviolet ray of the same color rate in the light. Green coated lenses are the most popular on the market.

分类
Eyeglasses

Be careful when buying sunglasses

It’s best to go to a specialty store or buy from a well-known online store or flagship store. On small ground stall certainly do not buy, although those Sunglasses Sale also can hold back ultraviolet ray, but lens for the making of sth. is not in place, namely unqualified, must not buy it because of cheap, inferior eye can cause the damage of different degree to the eye. Sunglasses Outlet with substandard transmission ratio. Wearing these Sunglasses will cause traffic signal recognition obstacles, which can easily cause traffic accidents. All sunglasses, including professional driver’s mirrors, sports mirrors, fishing mirrors… . (except myopia and presbyopic glasses) simple identification method is to put the Sunglasses For Sale in front of the eyes, through the lens to observe the distant target, such as window frame or door frame, and then move the glasses up and down, the target in the lens field of vision should not swing and wavy deformation.

分类
Eyeglasses

You know several frames

People who are busy and often on business trips can choose the Cheap Glasses Frames of memory materials to avoid the deformation and damage of the Glasses Frames For Women caused by frequent wearing and littering, or being broken and crushed by improper display when taking a train or plane. First of all, we should make it clear that there are specific Womens Designer Glasses Frames materials on the market. At present, the commonly used materials of eyeglass frame include sheet metal, aluminum magnesium alloy, natural wood and bamboo materials. Of course, there are other materials such as titanium, TR90 and ULTEM. Plate Eyeglasses Frames For Men: generally made of high-tech plastic memory plate, its appearance is beautiful and fashionable, and the style is diverse, it is easy to match clothes, can show the wearer’s personality and elegant demeanor.

分类
Eyeglasses

What are the types of glasses frames

A Cheap Glasses Frames is a tool that holds the lens in place before your eyes. The stand or fall of the lens frame not only affects vision correction, but also affects people’s appearance. Cheap Frames Online materials: metal materials are gold, gold, rhodium, palladium, silver, nickel, chromium, ruthenium, titanium, aluminum, copper, silver, stainless steel and other materials. Turtle shell family: production is small, the price is expensive. The advantages are light weight and beautiful luster. Have amber color, golden yellow, inferior yellow, gloomy color, in spot Glasses Frames, in red, dark red, dark cloud color. Plastics and synthetic materials: plastics and synthetic materials are polymer compounds, some with monomer polymerization, after processing, molding into a certain shape. There are two types of plastics, thermosetting and thermoplastic. Thermosetting plastic Eyeglasses Frames For Men made of hard and tough, not easy to deformation and fracture. Thermoplastic, acetate fiber, celluloid, fake ivory, plexiglass, epoxy resin, nylon, etc.

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