2010年10月26日星期二

Progressive Lenses Reading Eyeglasses How to Use & Its Adaption to

More and more people with presbyopia chose progressive eyeglasses for the reason that it is continuous in a lens provide different focus. Therefore, people could see that distance, middle and vicinity just with a pair of glasses. In fact, there are some points for wearing a progressive lens. Progressive glasses undoubtedly bring much convenience to many wearers, but it is a bit difficult for them to get used to at the begging of wearing.

To be comfortable, know the principle of the eyewear firstly. Different area of a lens of fitting precision progressive glasses must have its own function. For example, the wearer is the location of the pupil, is used to see distant objects will be accompanied by far with degrees; to clearly see distant landscape, the wearer must be goal-oriented, then straight to look to the former.

The bottom of the lenses is used to see the close regions coupled with the proper degree. When reading or seeing the close objects, the wearers can lean the head slightlky forward and the eyes look down and take the bottom of the lenses to read. To note that because the number of refractive lenses on both of sides gradually changes, if the wearer just turned eyeball on the left or right, the objects on both sides look blurred or distorted, so this is also reason that the beginners who wear such g In addition, computer users used to log on computers and reading documents for long time so they have high requirements in a near distance at large.

Generally, the region for seeing the articles at medium and near distance with progressive glasses is relatively narrow, and not fit for long-term reading. If the wearer presbyopia degrees or above 175 degrees, but also often need to look at almost anything indoors, consider fitting a dedicated, the close of the progressive lens.

Though he cannot see distant articles with this pair of eyeglasses, they are provided with the broader medium light region design, and with better effect. On the other hand, who would make it easier to adapt to progressive lens do? In general, the old flowers degree shallower, the more easily to adapt. In other words, you should consider wearing a progressive lens when presbyopia about 100 degrees, otherwis The people with myopia degree of about 200 to 800 are also easy to adapt to them. Relatively, the person with slight myopia or hyperopia need more time to be familar with and use progressive glasses.

However, not all people are suitable to wear the progressive multifocal glasses. If the strengths of the two eyes have a big gap, the opportunity of the integration of the two eyes is greater, they will feel fatigued if they use the twp eyes to focus on t Hence, it is best to consult your optometrist to assess the suitability for wearing progressive glasses when considering fitting one. And to select a pair of progressive glassed that in line with your degrees and purpose. Do not forget after fitting the more oft-repeated frames, because the position error would significantly affect the vision correction and visual effects.

People should first reading glasses with eyes full inspection, including far sight, near visual, refractive interstitium, eye, especially to observe whether cataracts, glaucoma and fundus diseases.

  • If your distant vision is more than 1.0 and near vision is poor, you only need to correct the near vision. But if because of cataract, the distant vision becomes bad. The measurement of distant vision will be the standard for correcting the near vision.


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