Functional Advantages of Plastic Frame Bifocal Reading Glasses
I am not aware of the fact that I am getting old until one day I woke up to find things became blur in short distances, then I knew it was time to buy a pair of bifocal reading glasses, a kind of glasses specially designed to people who have presbyopia. However, after searching both in local optical stores and on Internet, I find it is hard for me to decide which type of glasses I should buy: plastic frame bifocal glasses or wire frame bifocal glasses? Finally it is one of my colleagues who suggests me to buy plastic frame bifocal reading glasses, for the reasons that:
First and fore most, compared with wire frame glasses, plastic frame glasses are more lighted. Wearing plastic frame bifocal glasses reduces burden on my nose, plus that there is no nose pads on plastic frame glasses, which further reduces the burden, because physically, the bigger the area of trust surface, the less pressure there will be. Some people may argue that there are also metal frame glasses, for example titanium frame glasses, that weigh lightly, even lighter than some plastic frame glasses, but do you know that titanium frame glasses, for the application of the trace metal, titanium, always charge high. Then, plastic frame glasses meet both needs of most customers: lightness and low price. This is why they go over big in recent years.
Second, plastic frame glasses are of durability and high in strength. As we all know, plastic are flexible, so are plastic frame glasses, therefore, they are not so inclined to be weighed down. And when they are distorted, as long as proper measure is taken, they can restore to their formal forms easily.
Third, color for plastic frames are diverse. For the special properties of plastic, they are easy to be coated, then different colors can be tinted to the plastic frame glasses, meeting great needs for fashionable people. If you take notice, you will find that most film stars prefer to wear plastic frame glasses, because they can enhance their charm and make what is good better. Although I am nearly in old age and I am not suitable to those exaggerated colors, I also don’t want to restricted myself in the colors of either, black or sliver, or golden.
Those above are a list of the functional advantages of plastic frame bifocal glasses. If you want to make balance between price and performance, plastic frame bifocal glasses should be perfect choices. To make you know more about plastic frame glasses, it is necessary to help you understand materials for plastic frame glasses:
They can be zyl, which is the most commonly used and inexpensive material; they can also be nylon-based material, which features with lightweight and is easy to be molded for many styles; kevlar, impact-resistant and in high strength, is also applied in plastic frame glasses, a special plastic material should be the optyle, which is lighter and stronger than zyl.
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