Computer glasses lens uv protection is how to return a responsibility?

What is the uv protection computer glasses?

The sun give off light has: visible light, infrared, ultraviolet and other three. With ultraviolet radiation to human body skin and eyes. In the. Cause serious damage, such as, Released by the sun light is divided into UVA, UVB and UVC, if long time exposure can cause damage to the body, UVB has a serious effect on vision, yellow glasses for computer is burned black light, most of the canthus can absorb the UVB light so be sure to block out the light.

Prescription Computer Glasses For Computer Screen Glasses Men/Women Anti-Blue Radiation Anti-Fatigue Round Pc Glasses
Prescription Computer Glasses For Computer Screen Glasses Men/Women Anti-Blue Radiation Anti-Fatigue Round Pc Glasses

Uv protection computer glasses because has the function of the polarization of light, so will all the harmful rays of blocking off does not affect the visible light through, can truly achieve the purpose of protecting our eyes. if you want to buy computer glasses Philippines, you can choose us.

What kind of glasses to uv?

Avoid light radiation damage to the eyes, the most effective and the most commonly used method is to wear safety glasses. The so-called protective glasses is a kind of filter, can change through the light intensity and spectrum.

The computer glasses is divided into two major categories, one for absorption, one for reflection type, the former is used most frequently.

The computer screen reading glasses lens in the manufacturing, in the general formula of optical glass and add the part of metal oxides, such as iron, drill, strontium, nickel, chromium, manganese and some rare earth metal oxides such as neodymium and etc.

Cute Half Frame Computer Glasses Protective Glasses For Computer Users Anti-Blue
Cute Half Frame Computer Glasses Protective Glasses For Computer Users Anti-Blue

The metal oxide can make glass to light some wavelengths of electromagnetic waves in the selective absorption, such as cerium and iron oxide can absorb a large number of ultraviolet light. Use this computer eyewear lenses can reduce the amount of certain wavelength through the computer eyeglasses lens, reduce or prevent damage eyes.

One, the absorption filter

Also known as sunglasses. About 20% of visible light transmittance, better absorption of prescription glasses for computer work ultraviolet and infrared light. There is light green, light gray, a variety of colors, such as weak tea used to create shading and snow job safety glasses or computer reading glasses.

The light grey lens to identify the minimal impact of color; Shallow tea glasses looks darker blue sky, green light by decreasing; Light green lens cut through the red light is.

Second, the reflection type filter

Absorption filter, eye protection glasses from computer is to use the lens to absorb certain wavelengths of light, in order to reduce the light into the eye, but because the lens absorbs some light, heat rejection, especially longer light, infrared and other wave due to the accumulation of heat, computer eyeglasses make the eyes feel uncomfortable.

Actual working life, in many cases is the absorption and reflection type combined use, namely to a high reflection film plated on the colored lenses, the filter effect is stronger, chlorine, such as welding, arc welding, plasma cutting, such as operating personnel to wear computer glasses, this kind of method can be adopted to solve.

Small make up remind:

In the store had found that the lens price difference is quite big, according to salesperson introduction, the lens in the membrane can prevent computer radiation, uv protection, this statement computer screen glasses is not correct!

Coating effect has been exaggerated, coating has the effect of uv and prevent computer radiation, belong to out of thin air. Because general lens has anti-radiation effect, and uv protection is required in the lenses with special material, which has nothing to do with the coating.

Good quality computer screen reading glasses lens coating, the price is almost the same as the lens. If there is a store had said to add layer coating is only more than 10 dollars, that is about to consider the authenticity and quality problem. But the film after, look from flank the lens appears purple or blue, show that coating only block which color of light, there is no difference in quality.

How to judge whether a uv protection sunglasses?

Methods 1. See sunglasses tags

Sunglasses ultraviolet prevention function, the express way generally have the following kinds:

A) labeled “UV400” : this means that the lens of uv cutoff wavelength of 400 nm, namely its (lambda) under 400 nm wavelength in the maximum of the spectral transmittance of tau Max (lambda) is not greater than 2%;

B) marked with “UV” and “anti ultraviolet” : this says the lens of UV cutoff wavelength of 380 nm, namely its (lambda) under 380 nm wavelength in the maximum of the spectral transmittance of tau Max (lambda) is not greater than 2%;

C) labeled “100% UV absorption” : this means that the function of the prescription glasses for computer work lens is 100% for UV absorption, namely in the UV range of average transmission ratio is not greater than 0.5%.

To achieve the above requirements of sunglasses, is in the true sense of uv protection function of computer sunglasses.

Methods 2. Use money + yanchao pen to verify

In the absence of the instrument, ordinary people also can detect whether the sunglasses have uv protection function.

Take a piece of money, put the computer glasses lenses on the anti-counterfeiting watermark, illuminates with UV ray pen or counterfeit detector in the lens. If you still can see the watermark is this pair of sunglasses is not uv protection, if not see, is this pair of sunglasses for uv protection.

computer glasses prescription calculation, best computer glasses brands to choose.

As we know, many computer glasses brands to buy in the internet, but it is not easy to find best and professional computer glasses, here some useful tips to choose computer glasses prescription calculation for your face, I think you will like.

Titanium Glasses Frame Reduce Eye Fatigue Glasses For Using Computer Eyewear Ultra-Light Radiation Anti-Uv Tr90
Titanium Glasses Frame Reduce Eye Fatigue Glasses For Using Computer Eyewear Ultra-Light Radiation Anti-Uv Tr90

Computer screen privacy glasses is one of the glasses, because is not supported by frame in the glasses for computer lens, but no picture frame directly by the mirror on both sides of the leg to support the lenses, so called his rimless glasses for extended computer use. Not all his rimless computer glasses myopia are suitable to wear, it has certain matching conditions. So, what suits his rimless computer spectacles face shape? if you want to shop computer glasses in canada , you can choose us, we offer free shipping to all over the world.

computer glasses prescription calculation, can be roughly divided into full frame glasses, glasses, three kinds of his rimless glasses. Categories of different glasses, however, its effect is not the same worn out, suitable crowd also is distinguishing.

His rimless glasses, for example, in simple terms it is only a computer screen privacy glasses lens glasses, glasses legs. Because there is no borders, glasses will be slightly comfortable computer goggles, casual, wear up, is also very beautiful, so many people in matching glasses, will choose his rimless computer glasses brands.

Eye Protection Glasses For Computer Screen Glasses Reduce Eye Fatigue Glasses Radiation Anti-Uv
Eye Protection Glasses For Computer Screen Glasses Reduce Eye Fatigue Glasses Radiation Anti-Uv

Without his rimless glasses for extended computer use frame package, but the perfect present a glass lens, is highly ornamental effect. In life we will see a lot of people who wear eyeglasses, compared it with glasses, for there is no limit to the face, is suitable for most of the face. Whether you are a square face, long face or round face, wearing eyeglasses is fashionable and beautiful, very popular among young contemporary business men and women.We off over 100 new style of computer glasses in canada , you can find perfect one.

Though no special restrictions to face his rimless glasses, which is suitable for the vast majority of his rimless glasses face, no matter how you face, who wear eyeglasses, don’t give a person very the feeling of “soil”, on the contrary will have the feeling of fashion and beautiful reading glasses for computer use.

In addition, also very easy to match his rimless computer glasses prescription calculation. But we can’t ignore the drawback, that is stable, did not have his rimless glasses box because of structural limitations, in his rimless computer screen privacy glasses to wear after a certain period of time, there may be loose, which requires repair store had from time to time.

His rimless glasses, although for most face users wear, but is not suitable for high myopia. Because the higher the degree, the lens will be more, so, after wearing computer eyeglasses, will have a not beautiful, not harmonious feeling.

In addition, be fond of the movement of myopia, also do not recommend to match his rimless glasses for extended computer use. Because due to the intense movement, easy to cause the lens rupture, thus bring threats to eye health.

How to Match Computer Bifocal Reading Glasses for looking at Computer Screens?

How to match for my glasses for looking at computer screens? Most friends wear computer bifocal reading glasses often have many questions again, or worry about the lens quality is unqualified, match not suitable degree right or worry, also worried about glasses for working on computer are fragile and so on questions, if match the number of degrees is not accurate eyes may produce fatigue, vision is likely to be deepened, computer eyewear and not good, wearing also uncomfortable, so, with a suitable degree and good quality glasses for viewing computer screen  is very important, remind computer glasses friend can pay attention to the following:

Protective Gaming Glasses For Computer Users Full Frame Tr90 Metal Color Eyewear
Protective Gaming Glasses For Computer Users Full Frame Tr90 Metal Color Eyewear

A, quality assurance

Average consumer eyes alone is unable to distinguish between the quality of eyeglasses for computer screen this point mainly by the proprietor of good faith, so in choosing computer bifocal reading glasses shops, had better choose brand formal professional institutions. A good hospital or store had to guarantee a good optometrists optometrists and experience in technology, and more can guarantee the quality of the lens and eyewear for computer use. When the choose and buy, can generally see if lenses have scratches, pitting, collapse, water ripple, air bubble on the surface of the defects.

Types of computer lenses are many and the assurance of safety and quality is the most should consider factors, now on the market of myopia glasses usually have a piece of glasses for looking at computer screens and resin two kinds big, resin light and not easy to be broken, for security reasons of primary and middle school students, generally advocated wearing resin lenses. Glass lenses and resin lenses, compared advantages of abrasion resistance is better, not easy scratches, generally people who work in the outdoor dust environment more can consider to use material of glasses lenses for working on computer . Also is the high refractive index glass lenses, compared with the resin lenses, under the same degree, glass lenses to resin lens thin 1/3, some people who have high myopia thickness and beautiful factors into account and select the glasses for viewing computer screen. The price of the second glass lenses cheaper than resin lens. Friends can choose according to their own eyes and economic conditions for their glasses.

Second, the accurate degree

1. Wear eyeglasses for computer screen when had better choose in a good mood to optometry, because emotions can affect vision at that time, if reluctantly to the optometry, can match in less than a suitable degree of glasses for computer work.

2. Professional normal hospital optometry

Computer Prescription Gaming Glasses Pc Lens Optical Gaming Glasses
Computer Prescription Gaming Glasses Pc Lens Optical Gaming Glasses

Wearing computer bifocal reading glasses degree of first requirement accurate, have a few friends after myopia, the glasses to do as a simple visual acuity is directly so careless with computer eyeglasses, glasses degree of line detection is not accurate, if degree shallow cannot achieve the purpose of vision correction, deep also is bad for your eyes. If need glasses must to normal hospital ophthalmology through normal eyes get accurate degree, can only get the accurate optometry computer glasses degree.

3. It’s in a slightly different, different age stages

If it is minor, generally before the optometry to drop a role in mydriatic eye drops, specialized relax ciliary muscle of the eye fully, it is allowed to eliminate pseudomyopia. For minors is in puberty, vision is not so stable, in order to distinguish between true and false myopia and myopic degree and eliminate the influence of eyes adjust and general minors optometry is more complex, in addition to the above reasons have confirmed amblyopia and strabismus, only after detailed check it to ensure the accuracy of fitting glasses for looking at computer screens, and early restored vision or control myopia deepens.

Protection Pc Gaming Glasses Computer Glasses Lenses Anti-Blue Office Game Glasses
Protection Pc Gaming Glasses Computer Glasses Lenses Anti-Blue Office Game Glasses

Adults compared optometry minors under simpler, after rule out other eye diseases can it directly, but scientific insert to try. If it is optometry and mirror for the first time, also need to be specialized, and need to conduct a detailed inspection at the same time, to eliminate fundus diseases, such as crystal deformation condition.

4. Regular inspection, timely update the optometry glasses again

Glasses friend if once found existing computer bifocal reading glasses can’t meet the requirements of vision, should be timely to normal hospital do eye check and correct the myopic degree, change the right glasses, and check regularly, in order to avoid eyes “hungry” state for a long time, the cornea and lens surface excessive bending, increase the degree of myopia. Generally wear computer reading glasses for a long time should not have any discomfort feeling, if there is discomfort may be the lens degree is wrong, it is also possible that due to the distance of glass frame and lenses with the distance of the eye caused by improper, these should be to make or change the glasses for viewing computer screen.

After wearing eyeglasses for computer screen, should pay attention to your eyes checked regularly, replace the appropriate degree of glasses, teenagers under the age of 18, the best six months or a year it’s 1 time, and all need to use specialized.

Computer Viewing Special Glasses that help with Computers,What are the Rimless Framed Computer Glasses Benefits?

Now the street can see almost with a box of Framed computer viewing glasses, because the special glasses for computer are more in line with the needs of the public. While the opposite of the rimless protective glasses for computer use to wear a very small number of people, but rimless computer eyewear also have some of the outstanding advantages of the market in Europe and the United States accounted for 40% of the proportion, most of which are the pursuit of fashion trends Family. So what are the advantages and disadvantages of Framed glasses to reduce computer eye strain than Rimless special glasses for computer?

Cute Half Frame Computer Glasses Protective Glasses For Computer Users Anti-Blue

If you wear a rimless glasses that help with computers, the most intuitive advantage is more open vision and let the nose more relaxed. As well as Framed computer goggles will not block too many faces, for the wearer’s own style and temperament to show more real, and the overall appearance of the computer viewing glasses integration is more perfect, the wearer in the dress with the more Flexible and casual.

In addition, rimless glasses that help with computers are more of the trend, rich colors. But the rimless glasses for computer use is almost only suitable for low myopia, because the lens is thinner can greatly reduce the pressure on the bridge of the nose, and if the high degree of lens edge will lead to comparison, this will not only increase the glasses to reduce computer eye strain weight, but also make the face look Up more bloated.
Frameless protective glasses for computer use is the shortcomings of life is relatively short, mainly in the hole screw loose, and because there is no frame wrapped around the lens, the edge of the glasses that help with computers lens is also easy to be sharp objects hurt, so we place the rimless glasses Best still on the inside glasses box. Another rimless special glasses for computer are also easy to deformation under the influence of external force, so in life should pay attention to the protection of computer screen glasses, so as not to be scratched and broken lenses in life.

Vintage Computer Glasses Frames Eye Protection Glasses For Computer Users Anti Pc Blue Light Glasses
Framed glasses and rimmed computer viewing glasses of the more obvious differences, we can know from the above, the charm of frameless glasses for the wearer also have higher requirements, but also need to wear for the protection of Rimless protective glasses for computer use have a more comprehensive understanding, So according to their own needs to choose different styles of glasses is very important.

How to choose computer glasses? Blue light blocking computer glasses?

How to choose computer glasses?  here can give you some useful idea to choose it.

Now there is a problem: the computer glasses have effect?

1, Computer glasses lens can positive role:

For long time using a computer or electronic display device, the blue light blocking computer lens effect can now be sure just let an eye more comfortable, and no further evidence to prove that can effectively improve the eye acid bilges, dry eye, eye fatigue, decreased vision, fundus lesions, and so on.

2, how to determine the computer eyeglasses degree (parameters) :

Because it is near with glasses, prescription should fully consider that in optometry and decrease the correct vision, in order to avoid discomfort with long eyes. Specific prescription, must by the professional optometrist after rigorous optometry.

3, how to choose computer glasses lenses:

The computer glasses lenses must be qualified first optical lenses, and to a certain percentage of the blue light, the effect of general prevention blu-ray optical lens about 30% less.

The computer glasses lens is divided into two broad categories, one kind is substrate shallow orange colored lenses,such computer gaming glasses,computer reading glasses, this kind of lens of the base of color is deeper, not suitable for long time wearing. Give priority to with flat lens. Another kind is implemented through the surface coating layer, the base of color is shallow, also have a little shallow orange, should be easy to see under the white bottom line. From the point of effect, the two types of lens of the anti blue light effect difference. But the latter technology is more advanced, more superior optical performance in general.

4, how to preparation against the glasses for computer use?

Even not myopic crowd, it is better to choose reliable brand computer lens, optical lens production companies need to separate compound lens, lens quality is important to ensure wearing comfort and durability.

Myopic crowd after confirmed nearly with accurate parameters (refer to article 2) to formulate the best parameters of glasses. Glasses for the machining precision, of course, also need to choose a shop with technical capabilities and reliable.

And now, I think you know how to choose best computer glasses now.