Bausch & Lomb’s bio true contact lens takes care with your lens biologically. Therefore Biotrue contact lens solution is the right solution. The world can be tough on your eye when you wear contact lenses. Biotrue multi-purpose solution helps make wearing contact lenses that easy on your eyes. The study showed how the eye naturally works to clean, hydrate, and keep itself healthy, Bausch + Lomb developed a unique and innovative product that helps keep lenses moist for up to 20 hours.