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We are often asked, "What are single vision lenses?" The answer is simple: there is only one prescription for single vision lenses for farsightedness, nearsightedness, or astigmatism. Single vision lenses only provide a single optical correction. This means they spread the focus evenly across the entire lens, rather than spreading it out between the top and bottom halves as bifocals do.
Single vision glasses are the most commonly prescribed type and can correct nearsightedness or farsightedness. All of our frames are compatible with single vision lenses. You can even choose to customize the coatings and lenses of our single vision glasses, allowing you to perfectly fit your eyewear needs. So whether you need near or far optical correction, ANRRI has the highest quality and most affordable single vision lenses for you and your eyes.
Single vision lenses can often help you see distant objects more clearly, or help you see presbyopia with less effort. The bifocal lens is divided into two parts to meet the bidirectional needs of near and far vision. Traditionally, single vision lenses cost significantly less than bifocal lenses.
Once you start wearing prescription glasses, you'll gain a new perspective on the world, and you may find that your vision is so clear that you want to wear them all the time. You'll experience comfort like never before, and there's absolutely no reason not to wear glasses. Of course, wearing glasses all the time will not cause any damage to the eyes. Conversely, contact lenses end up not being worn very often.
Single vision lenses correct for just one focal length, while progressive lenses correct for distance, presbyopia, and power in between (all in one lens). Progressive lenses are more expensive than single vision glasses, but generally (in the long run) cheaper than buying multiple pairs of single vision glasses.
Yes, monovision is used to correct nearsightedness, farsightedness, astigmatism, etc. They contain the same amount of vision correction throughout the lens. Single vision lenses, the entire lens has only a single diopter. Astigmatism is also a type of refractive error. Correspondingly, there are bifocal lenses and progressive multifocal lenses, which are used to see far and near respectively.