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—We recently reported three cases of postoperative retinal folds that occurred when intravitreal air was used in conjunction with circumferential scleral buckling. In each case a single retinal fold originated from the "end" of hard silicone exoplant and traversed a posteriorly directed arcuate course that appeared to correspond to the lower meniscus of the intravitreal gas bubble. We postulated that these arcuate retinal folds were formed because redundant retinal tissue created by the buckle was "pushed" posteriorly by the combined action of gravity and the intravitreal gas.In 1984, Pavan reported the occurrence of a posterior retinal fold subsequent to the use of a circumferential scleral buckle and intravitreal air in the repair of a rhegmatogenous retinal detachment. Although he did not characterize this fold as being arcuate in shape and did not mention the possible contribution of redundant retinal tissue in its formation, we believe that this
Lewen RM. Arcuate Retinal Folds After Intraocular Gas Injection-Reply. Arch Ophthalmol. 1988;106(2):165. doi:10.1001/archopht.1988.01060130174006