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Eyeglass lens types: A short guide for perfect selection!

May 26th 2015 at 3:20 AM

No one actually is an expert when it comes to choosing the right kind of glasses for eyes. You don’t really need to be an expert in the field of optometry; a wise research can help you understand the ins and outs of the eyeglass and lens types. It makes sense to rely on the guide and judgment of your optometrist but not completely; in spite of all this, being an informed consumer always helps you take the most suitable decision. Each and every lens type comes with its own set of limitations but it is possible for you to understand these limitations too.

Here’s a close insight and a layman’s guide to the different and the most common lens types in eyeglasses.

Single vision lens

Single vision lens commonly corrects hyperiopia (farsighted) and myopia (nearsighted). These glasses with any one of the lens types are made to rectify a particular field of vision. Here, it could be added that the strength in either of the cases is meant to be consistent.

Bifocal lens

Few people find it difficult to see both nearby objects as well as those placed far and there is a solution for the same. Bifocal lens has dual prescriptions. In bifocal lenses, glasses are divided; the upper half helps in seeing objects located far away and the lower half helps in other essential tasks like reading. If you are suffering from presbyopia (facing difficulties seeing objects placed close by), lower portion of these lenses are going to help.

Trifocal lens

Trifocal lenses are designed to meet a particular need in sightedness. Trifocal lens has areas for an intermediate viewing that falls exactly above the area of close viewing in bi-focal lens. As a result, you will notice an increased vision in the distances ranging between 18 and 24 inches. Trifocal lenses are simply the best for the ones that are required to view vehicle speedometers or computer monitors on a regular basis.

Progressive lenses

Progressive lenses are the most popular lens types very much like the Rayban Frames among glass frames. It can be said that they do work like trifocal lens. However, lines dividing far, intermediate and near vision areas are smoother. As a result, wearer can enjoy a seamless transition. In a single glance, they appear as single vision glasses.

Make sure that the lens type you have selected can match the needs of the eyesight constraints that you are struggling with or getting to experience. Speaking to the doctor about the kind of lens that would best suit you are essential but knowing common details about the lens type you will finally opt for, before the final selection is mandatory.

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