Onychomycosis, or nail fungus, affects approximately 36 million people in the US.

While some people are genetically prone to it, others, like athletes, may be more likely to get it due to damp feet. Nail fungus is often merely a cosmetic problem, but over time it can also cause pain or abnormal growth.

For patients, laser procedures offer a new alternative to oral medication, which may have certain health risks, and topical treatments, which may have poor efficacy.