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They also have a more attractive profile because there is less curvature. This means they don’t have the same “coke bottle” look as you get with traditional lenses.

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Conventional lenses have a spherical curvature on the front of the lens (like a basketball). On the other hand, aspheric lenses are smoother and flatter, reducing distortion when wearing glasses.

Because of their spherical curvature, conventional lenses tend to be thicker than aspheric lenses. This makes them thicker and heavier, especially when you have a strong prescription.

With conventional lenses, it’s easy to find affordable frames that match your prescription. Aspherical lenses require more precision to make and take longer to produce. As such, they’re more expensive due to manufacturing costs.

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Reducing the thickness of the lens offers other benefits. Slimmer lenses give you more options when it comes to choosing frames.

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Conventional lenses are prone to spherical errors (aberrations) that create blurry images. Even slight blurring makes wearing glasses uncomfortable. Aspheric lenses do not have this problem.

Aspheric lenses aren’t just about style. Many people like that they can choose the frames that best suit their face when upgrading to aspherics.

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Aspheric lenses have a more complex front surface with a gradual curve. They also perform better by improving the way light refracts onto the retina.

Aspheric lenses are smoother and flatter, reducing the distortion that occurs when someone wears glasses. For many people, this improvement means feeling better in their glasses. They may be more willing to wear their corrective lenses.

Eyeglasses wearers who have mild prescriptions may not notice a big difference. However, people with strong prescriptions for farsightedness (who usually wear thicker glasses) will experience a significant change.

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Aspheric lenses are flatter than conventional lenses. Although flatter, they still offer the same vision-enhancing benefits.

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This is no longer the case with aspheric lenses. You can now choose from  various styles and shapes of eyeglasses without sacrificing appearance and comfort.

People with higher-order refractive errors, typically +4.00 diopters or more, are ideal candidates for aspheric lenses. The difference between conventional and aspheric lenses is most noticeable for farsighted people.