When traditional bifocal reading glasses first came out, they were really a miracle and a good helper to people who have trouble in seeing objects far. However, as time went on, some of their disadvantages like image jump and unpleasant lens lines exposed. Some creative people have been trying to set aside these existing problems and at last invented the new bifocal reading no line. This is a perfect testimony to historical advancement in the eyewear industry. Compared with reading glasses and traditional bifocal reading glasses, bifocal reading no line as a later comer have several advantages.
One significant advantage granted by bifocal reading no line is the comfort of vision perception. Similar to neither a bifocal lens nor a trifocal lens, a progressive lens incorporates a set of various powers evenly arranged in different parts up and down. This advantage is able to avoid the long existing complaint associated with bifocals and trifocals: image jump. Bifocal reading no line never define boundaries between different parts of the lenses. Vision perception at varying distances will always be smooth and comfortable.
Progressive reading glasses are exactly the formal name of bifocal reading no line. The name of bifocal reading no line is sometimes called as an obvious indication of one of this device’s advantages. The populace in the eyewear industry probably knows that there exists a visible line on a regular bifocal lens. For lots of age-aware users, it is nearly a fashion religion to prevent their eyeglasses from showing their unpleasant age. Progressive reading glasses never bother this group of wearers in this aspect. There equipped no visible line on a progressive lens which actually offers a progressively smooth power transition. With such a design, there is no need to separate two or three powers noticeably using one or two lines.
In a word, bifocal reading no line, due to their unique and complex lens design, have some merits neither reading glasses nor traditional reading glasses can compare to. The no line design makes the glasses invisible so will have the problem of image jump. Of course, the bifocal reading no line have shortcomings, too, they are the perfect ones for the time being.
you will get some help about eye care clinics and eye doctors in following optical eyeglasses stores of Birmingham:Lenscrafters, LenscraftersOptique
Address:http://www.visioncarehome.com/some-merits-of-bifocal-reading-with-no-line.html
