According to a report on The New York Times, 64 year-old American Stephen Curtin invented a new kind of glasses which is manual vari-focal. This kind of glasses will enter the market in America on this month. Each pair is sold in the price of $895. They will be soon sold on the Internet.

 

In America, a pair of glasses of average quality will cost about $400. It is a heavy burden to those who need to change their glasses frequently, especially for those that are not rich. Spending $895 for a pair of life-long glasses makes it possible for the manual vari-focal to be commercialized. It will surly become popular with those who need to wear glasses.

 

The theory of this kind of eyeglasses is changing the focus through a micro-pulley. It is set in the nose bridge. In the lenses, there is a thin film, which contains a special kind of liquid. In theory, owning such a pair of glasses, there is no need for people to change their glasses. It will save them a lot of money.

 

Forty years ago, Curtin majored in Applied Physics in university. After graduation, he refused the offer from Intel. He chose the way to invent something by himself. Now, he owns more than thirty patents in various fields.

 

Since 1992, Curtin has started to research on the manual vari-focal glasses. He had failed for many times before he got succeeded. He said, he and his investors had invested several millions.

 

In 1866, American inventor Woodward used flowing liquid to change the focus of the glasses and he got the patent. Afterwards, many people wanted to use this patent to achieve some commercial values, but nobody had gotten succeeded.

 

Their products did not comply with some standards. The lenses must be thin enough and durable. It must be convenient to change the focus of the glasses. Curtin has solved these problems successfully.

 

Curtin thinks that manual vari-focal glasses will bring benefits to 2 billion glasses wearers around the world. They will not worry the high fee to change their glasses.

 

Manual vari-focal glasses will be sold on the Internet firstly. If you want to feel the new experience and benefits Curtin creates, you can surf the Internet to find this new kind of prescription eyeglasses.

If you ask other people that what you should take while driving, if they give you an answer that you may wear sunglasses. It’s obviously that they are out of date. Nowadays, people do not wear sunglasses when they are driving, though sunglasses are able to protect eyes from the harm of ultraviolet radiation, they are unable to block the high-light. What’s worse, you are unable to see things clearly when you are driving with sunglasses. Therefore, what exactly kind of eyeglasses should you wear when you are driving? The answer is definitely the polarized driving glasses.
I believe that some of you do not have much knowledge about polarized driving glasses. If so, I will introduce what polarized driving glasses are. We know that during the day time when the sunshine shines on the road, it will stimulate our eyes directly. You will feel dizzy, tired and you are unable to see things for a long time. Especially when you are driving, it will affect your emotion, or even the sense of objects. Polarized glasses with this kind of lenses are effective to eliminate and sieve the dispersion light in the beam of light. Therefore, the light is able to launch into your eyes in the right path; the image you see is much clearer and natural. Polarized glasses are able to leach more than 99 percent of ultraviolet radiation in the sunshine. Comparing with sunglasses, when you wear polarized driving glasses, you won’t feel that the vision has been influenced, there is no chromatic aberration. On the understanding that you wear sunglasses when you are driving for a long time, the color contrast will influence your apperception to color. During the night, there are a great number of street lamps around you and other people’s headlight when you drive, some of them are very glaring and your eyes feel bad when you look them. This is also easy to result a car accident. However, in the event you wear a pair of polarized driving glasses, there is no need to worry about them. Polarized driving glasses can let you see things clearly even if there are headlight and strong light. Of course, you are unable to wear sunglasses during the night. So you can see that polarized driving glasses are your best choice for you when you are driving.
Besides driving, a pair of polarized driving glasses makes it possible for you to do so many things well. You will certainly gain more benefits after wearing them. So, enjoy you journey, enjoy your polarized driving glasses.

Polarizing sunglasses VS ordinary sunglasses:

Generally speaking, the ordinary sunglasses are gorgeous in style. However, when it comes to their protective function, they seem to be not so versatile. They is only able to reduce the strength of the low dazzle—diffuse reflection light which is easy to cause eye tiredness, the UV rays. In other words, the light harmful to eyes could not be completely hindered by the ordinary sunglasses whose function is to moderate the harm to the eyes.

Polarizing sunglasses could not only cut down the light strength but also filter the dazzle effectively. This special sunglasses block up the harmful UV rays totally so as to make people feel no eye fatigue although they have been working under the strong light for a long time. Wearing a pair of polarizing sunglasses could really achieve the purpose of protecting the eyes. In addition to their practical function, the style of the polarizing sunglasses is much diverse. You can have a large quantity of choice in almost every eyewear shop.

Fashionable polarizing sunglasses are chosen at your will:

Polarizing sunglasses in different colors have different features.

Brown or coffee lenses are the best choice for drivers because these two colors could add up the contrast of colors.

Light red or vermilion could increase the contrast and brightness of colors under the strong dazzle. Therefore, sunglasses in these two colors are very suitable for people to wear when they are engaging in the water activities and playing in the snow field.

Lenses of amber, yellow or orange are appropriate protection in the cloudy days when they could provide a very clear vision, but they could not be used in the shiny days.

Scenery through grey or dark green lenses could maintain the original color in the most natural version. Thus, these two colors are good choices when you go outdoors.

How to tell the polarizing sunglasses:

1. Normally speaking, there is an obvious icon on the lenses of the polarizing sunglasses to show the materials – polarizing ones; or you can find the notice that this pair of sunglasses is made up of polarizing materials on the hang tag.

2. You may test the sunglasses by polarizing test piece. On the test piece, part of the picture could be seen by naked eyes, but when you look at the picture through polarizing sunglasses, you can distinguish them easily.

3. When you look at the mobile phone’s screen and other LCD screen through the polarizing sunglasses, you may find the screen turns black at the moment that you rotate the screen. This phenomenon is caused by the polarizing lenses that filter the one-directional light from the screen.

Show some polarizing sunglasses from visionsking.com to you:

Today,I will share some polarized driving  glasses information from VK with everyone.

Name: polarized driving glasses SKU: HKA-8001BR     

Color:brown Gender:Men

Frame:Eyebrow Inventory: In Stock      Circle:Melon

Material:aluminium & magnesium eyeglass frames with high hardness

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Name: polarized sports spectacles             SKU: HKA-8001MG

Color:gunmetal-grey Gender:Men        

Frame:Eyebrow Inventory: In Stock      Circle:Melon

Material:aluminium & magnesium glasses frames with high hardness

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Name:polarized driving glasses                      SKU: HKA-8002MG   

Color:gunmetal-grey Gender:Men

Frame:Full   Inventory: In Stock      Circle:Melon

Material:aluminium & magnesium frame with high hardness

read more…

Name:polarized sun  glasses                           SKU: HKA-8002MB

Color:black Gender:Men        

Frame:Full   Inventory: In Stock      Circle:Melon

Material:aluminium & magnesium frame with high hardness

read more…

Here is only a few listed here are examples of characteristics,if you are interested in polarized driving eyeglasses, or you would like to know more about prescription glasses,or eyeglass frames information, you can visit the website — www.visionsking.com!