 a retrospective case series found that an outbreak of staphylococcus epidermidis after immediate sequential bilateral cataract surgery isbcs at a community based eye clinic was likely due to a systemic breach of sterility the same strain of bacteria was detected in all cultures of three consecutive patients who presented with bilateral simultaneous postoperative endophthalmitis bspoe after undergoing isbcs on the same day at the same clinic in denmark the outbreak highlighted the importance of strict adherence to guideline recommended precautions for safe isbcs 