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The correction of presbyopia, there was a wide variety of products that have proven effective in the treatment of this issue of the age-related eye. The first way was reading glasses,[link widoczny dla zalogowanych], bifocal glasses, followed by reading,[link widoczny dla zalogowanych], trifocal,[link widoczny dla zalogowanych], specifications of bifocals security and progressive glasses. Provide the basic function to erase the problem caused by presbyopia, each category of these devices have their respective characteristics. We also know that a newer device probably brings benefits because most advanced design and manufacturing. All these things are applicable to glasses to read progressive. While most people recognize great advantages for progressive addition lenses, there are still a few side effects commonly associated with these objectives. It is also important to take into account the negative aspect.
Today, many manufacturers of progressive lenses say ranging from 90% to 98% acceptance rate. This percentage varies depending on the quality
C: sunglasses of progressive steps perfect, but they are very appreciated by increasing the power or comfortable transition. One of the side effects most often is the Visual distortion.
NTE. However, only a determinationtable experience can make a real sensation. Also a poco uncomfortable with users will be intolerable. He encouraged the reports that the best way to avoid the problems of adaptation is progressive bearing mass glasses an initial phase of presbyopia. This can help the user to easily adapt to the increase of the power also advanced as presbyopia.
One of the most common problems associated with progressive lenses is visual distortion. In detail,[link widoczny dla zalogowanych], the gradient of the rise of lens offered by a progressive lens can create regions of aberration away the optical axis. This will be lead to low resolution Visual or fuzzy. In this analysis, some people may say that it is the design of the lens that offers the significant advantage of the power transition patients presbyopia. In other words, the consequences of the jump and possible image such as headaches, dizziness are effectively removed the design of progressive lenses. Now,[link widoczny dla zalogowanych], it is also this design which could lead to distortion. This is not a statement of reasonable grounds, but a proven fact based in some cases reported by users.
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