Plastic glasses look good injury also strong - 2013-05-17 00:17:08

Plastic frame features are: light weight, easy to allergies, cheap, bright color, and more by the elderly, the children's favorite, is now the fashion crowd as the choice of sunglasses or decorative mirror.

Plastic frames on the market for the acetate resin Larry frame that laminated plastic production, paste a color thin layer of plastic made ​​in another layer of thick plastic, thick material for transparent (or transmittance) pigment, also made ​​use of three or more layers of plastic.

Compared with ordinary glasses, the glasses frame wider, between the optical center of the lens also will has wide, it is easy to cause myopia. Reporter survey found, with framed mirrors plastic glasses are under 30 years old, accounting for 80% of the consumers of glasses a day.

Recognize the distance between the centers of the two pupils called IPD, according to the different characteristics of each person's facial features, the IPD of the same IPD only 55 mm, 65 mm or 69 mm. Glasses IPD, wearing glasses, to keep the pupil and lens optical center in a line, so that the imaging will be clear.

Plastic framed glasses wider than normal glasses, optical center between the two lenses also will has wide, smaller IPD wearing such glasses will cause the center of the pupil and the lens focus deviation caused by the imaging deviation, vision fuzzy, depending on fatigue and other symptoms.

Recommendation: plastic frame mirror with a good-looking, but must select large-framed glasses to the professional optical shop and eye check IPD, select the glasses. In addition, many fashion people love the glasses without lenses, but the time do not even wearing plastic lens is not removed, an act which is very hurt glasses. Recommended to wear when you remove the plastic lenses, choose a lightweight frame material.