Keratitis (inflammation of the cornea) is a painful and debilitating eye condition often caused by bacterial and fungal infection. Pseudomonas aeruginosa is the main cause of keratitis among contact lens wearers. Antimicrobial microparticles invented and developed at Spheritech, termed SpheriSomes have now been proven to be more effective than gentamicin in an ex-vivo corneal study killing 99.998% of viable P.aeruginosa compared to 90% with gentamicin.