2Gass JDM.Sympathetic ophthalmia following vitrectomy.Am J Ophthalmol,1982,93:552-558.
3Pollack AL,McDonald HR,Ai E,et al.Sympathetic ophthalmia associated with pars plana vitrectomy without antecedent penetrating trauma.Retina,2001,21:146-154.
4Jonas JB,Holbach LM,Schonherr U,et al.Sympathetic ophhtalmia after three pars plana vitrectomies without prior ocular injury.Retina,2000,20:405-406.