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Article
March 1989

Two-Thirds Thickness Sponges for Retinal Reattachment Surgery

Author Affiliations

Philadelphia

Arch Ophthalmol. 1989;107(3):318. doi:10.1001/archopht.1989.01070010328008
Abstract

To the Editor.  —We have recently designed two-thirds thickness scleral sponges for use in retinal reattachment surgery. These new sponges have potential advantages over currently available full-thickness and newly introduced half-thickness scleral sponges.1 A 5.0 × 3.0-mm sponge, as well as a 7.5 × 4.0-mm sponge, have been developed and are now available from the manufacturer. These sponges are manufactured by a closed-cell Silastic (silicone) scleral sponge process that covers all surfaces of the untrimmed product.2Full-thickness sponges have been used by retinal detachment surgeons for many years in the repair of selected rhegmatogenous retinal detachments. The sponges are sometimes manually cut lengthwise before placement. The purpose of trimming these full-thickness scleral sponges is to lessen their external bulk without substantially reducing their internal buckling effect. Although buckle thickness contributes somewhat to the amount of scleral indentation,3 it is well accepted that the suture separation distance is

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