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September 1970

Epithelial Downgrowth Following Cataract Surgery: Cryotherapy for an Intraocular Foreign Body

Author Affiliations

From the Department of Ophthalmology, University of Toronto, Toronto.

Arch Ophthalmol. 1970;84(3):303-305. doi:10.1001/archopht.1970.00990040305008

EPITHELIAL invasion of the anterior chamber is a rare but serious complication of cataract surgery.1 Poor wound healing may precede the development of a downgrowth, although in many patients surgery is apparently uneventful and conditions responsible are obscure. The prognosis for treatment by either radiation or surgical excision is poor,2-4 and the majority of involved eyes become blind and painful from secondary glaucoma and require enucleation. The following report of a patient with an epithelial downgrowth is of interest, first because of the association with a retained intraocular foreign body, and second because of a satisfactory response to iridectomy and cryotherapy.

Clinical History  In 1962, a white man aged 67, had an uneventful left cataract extraction performed with a good visual result. In January 1967, the right cataract was removed. The technique included a small fornix-based flap, a limbal section made with a Graefe knife and corneal scissors,

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