An improved wipe for a laparoscope or other optical device subject to fogging comprises a top outer layer of microfiber cloth, a bottom outer layer, and absorbent material disposed between the top and bottom outer layers. The bottom layer may include an adhesive layer exposed by a release layer. The absorbent material may be a sponge or foam pad, including an open-cell foam pad. Alternatively, the absorbent material may include a plurality of absorbent fabric layers, with at least the outermost layer being a microfiber cloth layer. A sponge or foam tape may be disposed between the absorbent fabric layers and the bottom outer layer. The wipe may be a square shape with dimensions on the order of 2 to 4 inches on a side and a thickness in the range of ⅛ to ½ inches. The article may further include a radiopaque thread.