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June 1987

Half-Thickness Sponges for Retinal Detachment Surgery

Arch Ophthalmol. 1987;105(6):745-746. doi:10.1001/archopht.1987.01060060023013

To the Editor.  —Two half-thickness scleral sponges have been developed recently for retinal detachment surgery and may offer advantages over the full-thickness sponges currently in use. A 5.0 × 2.5-mm cylindrical half-sponge and a 7.5 × 2.75-mm oval half-sponge (Figure) have been designed with all surfaces covered with the closed-cell Silastic (silicone) scleral sponge process.1For the past five to ten years, my colleagues and I, as well as other retinal detachment surgeons, have manually cut full-thickness sponges in half lengthwise to use for both radial and circumferential buckles in the management of selected retinal detachments.2,3 Surgical technique involves placing scleral sutures the same distance apart as with a full-thickness sponge, achieving the same internal buckle height but offering the distinct advantage of having no external bulk as one would experience with a fullthickness sponge. This technique may help to lessen or eliminate postoperative motility problems and may

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