AIM:To study the treatment and predisposing factors of postcataract endophthalm itis after phacoem ulsification operation.METHODS:The clinical data of 8 patients( 8 eyes) with postcataract endophthalm itis were analyzed retrospectively from June 2003 to June 2013. Em ergent surgery( anterior cham ber irrigation, vitrectom y,intravitreal injection) was perform ed in all patients.Aqueous fluid and vitreous purulence was taken in all patients before vitrectom y for bacterial,fungal culture and drug sensitivity...