In recent years, many old people choose the progressive glasses as their reading glasses. Because such one lens can continuously provide different focuses. Therefore, the wearer simply use a pair of optical can be able to see objects whether in a near or far way. In fact, there are some tips for wearing a progressive lens. Undoubtedly, progressive lenses bring convenience to many wearers, but many of them feel a little difficult to adapt in the beginning.

To wear comfortable, we should first know the principle of a progressive lens. A pair of fitting precision progressive sunglasses, lenses featuring different regions of different tasks. For example, the alignment of the location of the pupil, if it is used to see distant objects, it should be accpmpained by the proper degree, if the wearers want to clearly see the distant objects, they should face the goal first and then look forward.

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. Moreover, we should know that the refractive lenses on both sides will change gradually, if the wearer is just turning your eyeballs and you will see a blurred or distorted scene through both sides of the region, that’s why so many starters feel the eye – Besides, computer users are used to using computers and reading documents for a long time, so they demand more in looking at middle and close distance.

The middle and close range seen from common progressive lenses is usually narrow, so they are not suitable for reading a long time. Therefore, wearer whose presbyopia degrees is over 175 and who often reading indoors can consider fitting a pair of progressive glasses specialized in middle and near vision.

Although the special men sunglasses are not suitable for faraway distance, it has a wider middle-light area. So the effect will be more satisfied. Who are easier to adapt to progressive lens do? In general, the more the degrees lower, the more the people are easier to adapt. When presbyopia reached 100 degrees, you should consider wearing a progressive lens, or will be a longer adaptation period in Near-sighted people with about 200-800 degrees are also easier to adapt. In comparison, those people who are slightly near-sighted or far-sighted need more time to familiarize themselves with the use of progressive lenses.

However, not all the people fit to wear progressive glasses. If the degree difference for the two eyes is big, the possibility for the problem of bending ability of the two eyes will be big. When the two eyes need to view things intensively, they will be You can ask your eye optometrists to assess the suitability of a gradual wearing glasses when think about wearing progressive glasses, further choose the most suitable design according to your degree and use. Do not forget to adjust and calibrate the position of the frame after optometry, for the position bias will significantly affect the vision correction effect and eyesight.

To fit presbyopia Lenses ,first of all, examine the two eyes of the elderly, including the conditions of distance vision, near vision, refractive stroma and eye ground; especially observe whether they have cataract, glaucoma and retinal desease.

If a person's distance vision is above 1.0 and his near vision is poor, he only needs correcting near vision; if his decrease of distance vision is caused by cataract, when make the correction the near visual acuity scale must be standardized on the measu