April 17th, 2010 | Author: admin
Eyeglasses Handmade
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Handmade Wood Eyeglass Holder - Fair Trade $17.00 This is a finely carved wooden sculpture that has a practical use and also adds a unique style to your home decor. A stylish and practical gift for anyone!... |
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US $9.99
Today, there are a wide range of lenses available on the market. No matter what needs you have, you can always find a style that suits you. More and more styles of glasses, there are some types of glasses people are not familiar with, and glass pinhole can be one of them, but also has a great effect to improve vision of people. If you are unfamiliar with this glass but have the desire to improve his poor vision, the following introduction on the glass hole pin will give you some ideas.
First, let's talk about what pinhole. From the literal meaning, we can guess that maybe some holes in glass. Yes, there are indeed some small holes that have the effect of improving vision of people. When people mention "pinhole glass, also includes glass and pinhole pinhole is a Greek word that means small openings. And you may wonder to know how these small openings. So as the principle that when we use our hands to cover our eyes, the objects will be seen clearly from the small opening in the openings of our hands. With hole pair of glasses, except the lamp will be made through the hole and reach our eyes. In this way, small openings will block the light areas peripheral and less light can enter the middle of the pupil, therefore, the people can see objects clearly and refractive error is reduced.
Hole Pinhole glasses have the following characteristics: First, from the point of function, pinhole can improve people's vision at all distances. Second, compared with prescription lenses, the price of glasses hole is smaller, but a little taller than reading glasses. Thirdly, from the aspect maintenance, low maintenance pinhole over the life of working together. Another distinctive advantage is that vessels hole is there is very little brightness or distortion of hole glasses.
There are two styles of glasses available hole in the market: one is traditional pinholes, and the other is modern holes. They have mainly following differences: First, the holes can be noticed in traditional holes, while people can not appreciate modern holes holes. Secondly, Traditional holes can reduce the amount of ultraviolet light, but modern holes can fully protect people from ultraviolet light. Moreover, from the aspect of style, Modern holes are more popular, since it seems like sunglasses, so the design is more attractive.
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