Archive for the ‘Eyeglasses’ category

Basic facts of rimless glasses

January 21st, 2010

When we put on a pair of eyeglasses, it can transform our dull face to a vivid one. Among large amount of choices, rimless glasses will be a good alternate.

Rimless glasses, also called frameless glasses, are self-explanatory in its definition. Rimless glasses are defined as eyeglasses without rims. The “frame” of rimless glasses consists of three pieces which are two temples and a nose bridge. When these three pieces are mounted onto the two pieces of lenses directly, a pair of rimless glasses is then ready.

Since its initial introduction in 1880, rimless glasses are gaining popularity due to its unique features. The hottest feature is its “invisibility” as a result of being rimless，this makes the eyes of the wearers being fully seen by others without obstruction of the frames. Also due to no rims, the weight of the whole rimless glasses is reduced a lot, making it extra lightweight. Rimless glasses are suitable virtually for all the prescriptions including the very strong ones. Nowadays rimless glasses are becoming the choice of some trendy wearers.

As there is no physical frame for holding the lenses, rimless glasses need to use very strong lenses to attach the bridge and temples. Opticians recommend using polycarbonate lenses for rimless glasses. Glasses mounted on the normal plastic lenses are not strong enough to keep the look of rimless glasses for long, and will be crooked and loosened easily.

Unisex mixed material rimless eyeglasses

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Women and eyeware

January 19th, 2010

In early 20^th century, women did not use eyeware in public because at that time people in the world, especially people in Europe, thought wearing eyeware is a matter of stigma. Later on as the eyeware design and materials developed, the aesthetic emphasis of eyeware was stressed, eyeware became a sign of beauty on the face. More and more women started to wear eyeware in work and in public.

Study shows that women pay more attentions to how eyeware looks and fits on their face, while most of the men look at the comfort of eyeware. It is usually not easy for women to tell the difference between good and bad quality eyeware. For this please always ask an optician in your vicinity as opticians know the specific model of eyeware being reviewed and commented by other wearers.

Women are persistent in buying more than one pair of shoes and bags. But most of the women are still pretty conservative to buy more than one eyeware for different occasions. The recently emerging online eyeware retailers offer very appealing deals on handful of trendy eyeware at affordable prices without your bank account. As for women, eyeware is more a piece of fashion outfit than a medical instrument.

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Wear fashion glass to change your look

January 16th, 2010

Knowing the most recent eyewear trends is essential for you to decide what type of fashion eyewear you are going to pursue. It is true that the eyewear trends change more constantly that people’s prescription does, and people are viewing fashion glass more like other fashion stuff line jewelry and apparel.

The function of today’s fashion glass is far more than helping people seeing clearer. Fashion glass does change people’s look and appearance more than ever, while for people who don’t want to change their fashion glass too often, better not choose those which are not too trendy, as fashion eyewear trends change too fast and therefore last too short time.

Though it seems not an easy job to choose your fashion eyewear, some basic rules need to follow such as the face shape, complexion, clothes you usually wear and other typical factors. The fashion glass, if properly chosen, will brighten your face and hide your bad points of your image.

Some rich people can even try designer fashion glass. Designer eyewear not only bears the styles, but also the top quality both in materials and craftsmanship. Fashion glass in designer names is more a piece of dignified ornament.

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How to choose the cool glasses?

January 13th, 2010

Cool glasses are a matter of opinion about what people think of you and you think of yourself. The cool glasses may fit you well while become ridiculous for others. The definition of cool glasses is what shows your personality and make you confident about yourself.

Many people think wearing glasses a nerdy thing. They may turn to the contact lenses or laser surgery for help, and some even not wear glasses at all. All of those may lead to the worse eye problems, such as the keratitis or stronger power. In fact, a cool glass acts the same function as other decorative accessories do, they can make you beautiful and vivid.

However, several tips should be paid attention to when choosing your cool glasses.

Firstly, a cool glass means a right glasses shape which fits your face shape well. This may be the most important guideline for choosing a pair of cool glasses. You need to know your face shape completely before selecting the glasses shade. Suitable eyeglasses can strength your face advantages and neglect your face disadvantages, so be extremely careful on the shade choosing for it is the key element of the cool glasses.

Secondly, a cool glass means a right glasses color which complements your personal coloring. All people have either the cool or the warm coloring, and everyone looks best in his own color base. It is better to purchase the cool glasses according your color of skin, eyes and hair. For example, cool complexion looks good with peach, gold, orange, off-white cool glasses, while warm complexion are suitable with the black, blue-gray, pink, jade ones.

Finally, a cool glass means a matching makeup. Make sure your eyebrows are well-groomed, your under-eye circles are carefully concealed, your makeup is properly adjusted according to the glasses, and your lenses are clean and fog-free. So try on the cool sunglasses after finishing the makeup, this will help you look both elegant and attracting during the party.

Every businessman may claim he has the cool glasses. But as mentioned above, cool is just a feeling. A proper eyewear is the coolest one for you. Know better both about you and glasses features, you will enjoy the cool glasses wearing.

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The principle of 3D movies and 3D eyewear glasses

January 12th, 2010

The 3D movies stimulate people’s passion on 3D eyewear glasses. The 3D movie gives people a novel feeling compared with the traditional 2D movies, which makes you feel like you are involved in that action. Obviously, people are curious about the 3D movies and 3D eyewear glasses novelty and the principle of them.

A brief introduction on the principle of 3D eyewear glasses are given in the following. First of all, we should know the working principle about eyes. Our eyes are spaced about 2 inches apart. Therefore, each eye sees the world from a slightly different perspective, about which you may not realize before. The brain is able to correlate the two eyes’ images even though they are slightly different. The binocular vision system mimics this process by presenting each eyewear glasses with a slightly different image.

In fact, the binocular vision system operates in a very easy action. Taking the play of 3D movie for example, two cameras are needed to photograph the same image from slightly different positions to display on the screen, but the two images are different-colored. A special eyewear glasses are needed, too. The eyewear glasses have the red/green or red/blue system, which means one of your eyewear glasses is red and the other is green or blue. The filters on the eyewear glasses allow only one image to enter each eye, and the rest action is left to the brain. A stereoscopic effect is produced by the feeling of distances-difference.

But the red/green or red/blue eyewear glasses can not provide you with a high quality image because you are using the color to give the separation. So the polarized system is more recommended in 3D effect. In the process of this system, two synchronized projectors project two respective views to the screen with two different vertical polarizations. The eyewear glasses allow each image into each eye because the lenses are also different-polarized.

3D movies, together with the 3D eyewear glasses make you feel excited about the world. Understanding the principle of the 3D effect, you must be surprised about how simple the principle of 3D eyewear glasses is and how amazing the stereoscopic effect shows.

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Brief history of eyewear

January 10th, 2010

When we think about all the inventions in history, we can never ignore the invention of eyewear. Without eyewear, our life will be much worse off.

The history of eyewear can be traced back to 2000 years ago when ancient Chinese were believed to have invented the first protective eyewear for shielding the eyes from some evil forces. Around 1000AD, the Italians developed the first eyewear called reading stone for the purpose of corrective aid. After reading stone, in late 13^th century, it was also Italians who invented the first eyewear with sidebars.

As the main part of the eyewear, lenses went through a very long period of time to reach today’s shape. The early lenses were quartz. Inventors spent hundreds of years to make the lenses of visual aid out of glass after they solved the headaches of bubbles and other obstacles. Modern lenses are made of resin which is cheap and shatter-free.

Another part worth mentioning is the history of temples’ invention. In 17^th century, Italians and Spanish tried to use ribbon over the ears to fix the eyewear on the nose. Adding to this idea, Chinese used stone weight to hold the eyewear in front of eyes. Finally in 1730, an British eyewear technician got the idea of today’s temples and successfully solved the problems of eyewear mounting.

Before 20^th century, a lot of Europeans thought wearing eyewear is a thing of ugliness. With the advance of eyewear design and technology, nowadays people already think eyewear as a piece of face ornament boosting people’s attractiveness.

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What are eyeglasses?

January 9th, 2010

In simple words, eyeglasses are a combination of frames and lenses that can be worn in front of people’s eyes for the purpose of correcting vision and protecting eyes from harms of UV rays or some other special threats in different environments.

A pair of typical contemporary eyeglasses consists of two temples, two hinges, two noses, a bridge and two pieces of lenses. Early lenses are made of quartz which was very expensive. It took hundreds of years for scientists to develop the eyeglasses lenses out of glass which made the eyeglasses lenses a lot less costly and affordable to general people. Modern eyeglasses lenses are mainly made of plastic making the lenses of the eyeglasses more breakage-resistant. The two mostly-used plastic materials are CR-39 and polycarbonate. Frames of eyeglasses are basically made of metals and/or plastic. Most of the efforts made in present days are to reduce the weight of eyeglasses and made the eyeglasses-wearing more comfortable and be a piece of art and fashion.

As for the history of eyeglasses, the concrete inventor of eyeglasses was unknown. It was around 1000AD, the first corrective vision aid called reading stone was invented, it was a quartz sphere that was put on top of the target(book) to be read and was used as a magnifier. The first wearable eyeglasses was believed to be invented by an Italian Salvino D’Armate around 1284.

Some historians believe that Chinese invented the eyeglasses 2000 years ago. But it was not for the purpose of magnifying and corrective function, it was for the protection of eyes from some evil forces.

In United States about 60-70% of the adult people are wearing all types of eyeglasses, including sunglasses.

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How is the plastic eyewear frames made?

January 7th, 2010

Eyewear frames industry is becoming very competitive because fashion factors are involved in addition to its function as vision aid. Most of the famed eyewear frames are made with greatest care and precision. We take the example of plastic eyewear frames to explain in detail how the eyewear frames are manufactured and processed.

Eyewear frames manufacturers will first design the frames using own designers or outside consultants.
Based on the design of eyewear frames, factories make the steel die. Put the steel die in the punching machines to punch the blanks of eyewear frames fronts out of the plastic sheets with the appropriate thickness and colors. This blank becomes the fronts of eyewear frames.
Use a router to cut the grooves for holding the lenses.
Put the metal hinges onto the two ends of the eyewear frames fronts. Mostly manufacturers use supersonic to heat the hinges and then insert into the front.
Punch the temples out of the plastic sheets like the fronts. Put the hinges onto the ends of the two temples.
Adjust the angular fit of the whole eyewear frames to make the frame front tilt a little from the wearer’s top to bottom. This is a decisive step in making high quality of eyewear frames.
Heat the fronts of eyewear frames in oven to soften and then shape the fronts based on the curve of the people’s face.
Polish the fronts and temples to make the whole eyewear frames smooth. Any scratches are not acceptable.

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The most precious eye glasses frame

January 5th, 2010

Due to the aesthetic features of eye glasses frame, designers have been using different kinds of precious and unusual materials to make the high-end eye glasses frame.

Natural materials are designers’ first choice to hand-make such high quality eye glasses frame. Frames made out of wood, bone and ox horn are warm and naturally-touching to human body. These materials are strong but difficult to adjust. As the making cost is too high, the price of this type of eye glasses frame is much more expensive than normal one. But some people still like it.

Another precious material for manufacturing top eye glasses frame is the shell of hawksbill, a kind of sea turtle. The hawksbill shell is lightweight, durable, unique, bright in color and very appealing. As this is also the natural material, there is no skin irritation for wearers.

Like making other jewelries, eye glasses frame designers also look at the silver and gold to make eye glasses frame. Silver is mainly used as trimmings in the whole eye glasses frame, as solid silver seemingly does not make any good and satisfied eye glasses frame. Same as silver, gold is often used as trimming too, and mostly gold is used on the plating of eye glasses frame. Some designers even make eye glasses frame out of solid gold in 14K and 18K. But as the solid gold eye glasses frame is too expensive and too heavyweight, it does not produce any comfort for the users.

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Ways to maintain the health of eye lens

December 28th, 2009

As for modern people, eye lens is a word that required paying special attention to. For in most cases, one often excessively uses their eyes, and eye lens is prone to be tired. What’s worse is the environment around are not suitable for keeping healthy eyes. The health of eye lens is threatened by various sorts of radiations.

Thereby, many people have got serious eye diseases for the sake of abnormal eye lens. For some people, the best way for them to solve some eye problems is to find some lenses for eyes, hoping their eyesight will be improved by adjusting eye lens. However, just to wear some lenses for eyes is not sufficient, people should know other ways to nourish eye lens.

Though eye lens is very important and works a long time each day, they are not easily distorted. A little energy and elements can support the daily work of eye lens.

One way is to intake some elements essential for eyes. Only with sufficient microelements can eye lens work smoothly. Some Ophthalmic theorists hold that the best way to maintain the health of eye lens is to relax eyes regularly. It is true that if eyes can receive regular relaxing care, eye lens can recover to original state. Some people do gain some ideal results in reviving their visions by relaxing their eyes while wearing lenses for eyes.

While other ophthalmic theorists persist that wearing lenses for eyes can help people improve their eyesight, or at least can relieve their vision error. Many people find that relaxing their eyes is not practicable, for they are very busy. Thereupon, the very thing for people with problems on eye lens is to prescribe some lenses for eyes.

At any rate, the way theories are basically correct. Whether to relax eyes or to get lenses for eyes, both theories are beneficial for people with errors on eye lens.