Choovuthayakorn et al identified factors associated with posterior segment intraocular foreign bodies that are associated with poor visual outcome. The authors are from Chiang Mai University in Thailand.
Poor outcome:final visual acuity <20/200
Factors associated with a poor outcome in >= 80% of patients (univariate analysis):
(1) endophthalmitis (100%)
(2) retinal detachment (100%)
Factors associated with a poor outcome in 40 to 79% of patients (univariate analysis):