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BOOK TITLE: Retina: Medical and Surgical Management
The objective of this chapter is to introduce the retained intraocular foreign body. Open-globe injuries with a retained intraocular foreign body (RIOFB) may cause severe vision loss, either due to the trauma or due to secondary events related to IOFB. This chapter covers the historical perspectives, spectrum of foreign bodies, clinical profile, and stepwise approach for open-globe injury with possible intraocular foreign body, primary or staged extraction of intraocular foreign body, conventional 20 gauge or small port vitrectomy, prognosis, and nonreactive or encapsulated and fixed intraocular foreign bodies. A wide spectrum of foreign bodies can affect the eye depending upon the trauma involved. Ninety percent of the foreign bodies are metallic, out of which 70% are iron and most common mode is chisel-hammer injury. Usually, foreign body enters via the cornea (65%) and mostly the site of lodgement is vitreous cavity (61%). Visual outcomes after IOFB injury can vary depending on other concomitant globe injuries. Preoperative visual acuity is usually reduced by traumatic cataract or vitreous hemorrhage.
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AK Khurana, Aruj K Khurana
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PK Mukherjee
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