Contact Lens Patient Education

Biofinity vs Biofinity XR — Who Actually Needs the XR Version?

Biofinity XR contacts are specifically designed for people with higher prescriptions that fall outside the range of regular Biofinity lenses. If your prescription is within the standard range, regular Biofinity lenses will work perfectly fine for you.

The XR stands for extended range, which tells you exactly what these lenses do. While regular Biofinity lenses cover prescriptions from -12.00 to +8.00 diopters, Biofinity XR extends that range significantly. For nearsighted prescriptions, XR goes from -12.50 to -20.00 diopters. For farsighted prescriptions, it covers +8.50 to +15.00 diopters.

Understanding Your Prescription Numbers

Your eye care professional measures your vision correction needs in diopters, which appear as numbers on your contact lens prescription. The higher the number, the stronger the correction needed. Most people fall within the regular Biofinity range, but those with severe nearsightedness or farsightedness need the extended range option.

People with severe nearsightedness (high myopia) often struggle to find contacts that provide adequate correction. Similarly, those with severe farsightedness (high hyperopia) face the same challenge. Before Biofinity XR became available, people with these prescriptions had few contact lens options and often had to rely solely on thick coke bottle glasses.

Material and Comfort Differences

Both Biofinity and Biofinity XR use the same silicone hydrogel material and Aquaform technology. This means they offer identical comfort features, including high oxygen permeability and natural water retention. The main difference lies purely in the prescription strength, not in how they feel on your eyes.

However, Biofinity XR lenses are slightly thicker than regular Biofinity lenses due to the higher prescription strength. Most wearers don't notice this difference, but some people with very sensitive eyes might initially feel the extra thickness.

The cost difference between the two versions is typically minimal. Biofinity XR might cost slightly more due to the specialized manufacturing process required for higher prescriptions, but the price difference usually isn't significant enough to influence your decision.If you're currently wearing regular Biofinity lenses comfortably, there's no reason to switch to XR unless your prescription changes. The bottom line is simple: choose Biofinity XR only if your prescription requires it. The extended range version provides the same excellent comfort and vision quality as regular Biofinity, just with stronger corrective power for those who need it.