A modification of a spectacle frame is of value in the identification and localization of intraocular foreign bodies by radiography and is recommended for use where more sophisticated radiographic techniques such as laminography are not available.
LaPiana FG. Modified Spectacle Frame for Detection of Intraocular Foreign Body. Arch Ophthalmol. 1972;87(5):540-541. doi:10.1001/archopht.1972.01000020542010