2010年3月26日星期五

Problems that should be Considered about Buying Reading Eyeglasses

Firstly, go to professional glasses stores or ophthalmic hospital to examine your eyesight. Optometrists will give a copy of your prescription to you after the examination. There are many things that attentions should be paid to. it is necessary for you to get a professioanl guy to help you when you purchase reading eyeglasses to assure the accuracy of your reading glasses with the centre of lenses coodinating with the centre of your eyes.

To identify the quality of cheap glasses frame mainly considers these items:

  • Elasticity is one of the aspects in determining the quality of frame.
  • The bright and smooth coating is also important to quality frames.
  • frames with smooth small and uniform solder joints have the better quality,
  • The frames with components fitting tightly are better.
  • The size and shape of each frame circle must be the same, and the bridge of the nose should be symmetrical.

When the old people buy reading eyeglass frames, it is OK to choose common lense or bifocals. following the principle of light transmissed well. However, the aged's lens increasingly hardening. The accommodation power and organization in eyes are also feeble and old. In order to relieve myopia and be convenient to look at close quarters and long distance. You may chooce bifocal lens or asymptotic lens to wear. They are good for people to protect eyes.

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