RETINA ARTIFACTS
Lancaster External Ocular Foreign Body Magnet and Disposable Intraocular Foreign Body Magnet
Early 20th century Lancaster electromagnet used to extract intraocular foreign body (IOFB) from external approach next to an early 21st century disposable 18-gauge intraocular magnet (Synergetics) used for intraocular use. Side by side, these instruments demonstrate dramatic advancement in magnetic extraction instrumentation over the last century.
Lancaster electromagnet generously donated by Joseph M. Civantos, MD, FASRS