What Is The Difference Between Biofinity And PureVision?

Biofinity and PureVision differ in material design, comfort technology, water content, and approved overnight wear guidance. Biofinity is a CooperVision monthly silicone hydrogel lens made from comfilcon A with 48% water content and Aquaform Technology. PureVision is a Bausch + Lomb monthly silicone hydrogel lens made from balafilcon A with 36% water content and AerGel technology. Biofinity is approved for daily wear or up to 6 nights and 7 days of extended wear when your eye care professional agrees, while PureVision product guidance lists daily wear or extended wear from 1 to 30 days between removals. Both require a current prescription, so your refill choice should match the exact lens your eye doctor prescribed.

Biofinity vs PureVision Contacts Material and Wear Differences

Biofinity and PureVision are monthly silicone hydrogel lenses, but they are not identical. Comparing material, water content, surface design, oxygen flow, and overnight guidance helps you understand why your prescription should name one lens clearly before a refill.

• Biofinity is made by CooperVision, while PureVision is made by Bausch + Lomb.
• Biofinity uses comfilcon A silicone hydrogel material with 48% water content.
• PureVision uses balafilcon A silicone hydrogel material with 36% water content.
• Biofinity uses Aquaform Technology, which keeps water throughout the lens material for natural wettability.
• PureVision uses AerGel technology, which is tied to oxygen flow, moisture balance, and deposit resistance.
• Biofinity follows a monthly replacement schedule with daily wear or approved 6-night and 7-day extended wear.
• PureVision follows a monthly replacement schedule with daily wear or prescribed extended wear from 1 to 30 days between removals.
• Both lenses need cleaning, disinfection, and storage unless your eye doctor gives a disposable-wear plan.

A side-by-side review should focus on the exact product name, lens material, water content, care routine, and wear schedule. Those details shape how each lens feels during regular use when you reorder.

How Material and Water Content Change the Wearing Feel

Biofinity and PureVision are both silicone hydrogel contacts, yet the lens materials are not the same. Biofinity uses comfilcon A with a higher listed water content, while PureVision uses balafilcon A with a lower listed water content. That does not mean one lens will feel better for every wearer, since fit, tear film, replacement timing, and lens care all affect comfort. It does mean the two lenses should not be treated as direct swaps. If your prescription names Biofinity, PureVision needs a separate fitting, and the same rule applies the other way around before ordering.

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