POSTERIOR VITRECTORHEXIS: A SURGICAL MODIFICATION FOR INTRAOCULAR FOREIGN BODY REMOVAL THROUGH LIMBAL ROUTE

摘要

Purpose: To describe a modified surgical technique of creating a posterior capsule opening for removal of retained intraocular foreign body, what we call as retroillumination-assisted posterior vitrectorhexis. Methods: Vitrectomy probe through pars plana route is used to create a well-controlled circular posterior vitrectorhexis. Results: A uniformly circular posterior capsule opening is created after standard pars plana vitrectomy for the removal of foreign body. Conclusion: Posterior vitrectorhexis is a well-controlled technique in the setting of a penetrating injury that can facilitate safe removal of different sizes of intraocular foreign body simultaneously preserving capsular support. Retained intraocular foreign body (IOFB) associated with traumatic cataract is not an uncommon presentation, and simultaneous removal has been the standard of care in routine clinical practice. Initially, IOFBs were removed through scleroto-mies, but with the surgical advances, most of the surgeons prefer anterior limbal route. The decision regarding the timing of intraocular lens implantation might depend on individual case scenarios, but it becomes imperative even for a vitreoretinal surgeon to preserve capsular support because the posterior or anterior capsule can be easily torn in the process of getting the foreign body out through limbal route.