Near-Infrared Fluorescence Imaging

**Semantic type:** Diagnostic Procedure

**Definition:** Fluorescence imaging using dyes that fluoresce in the near-infrared range. NIR optical imaging permits relatively deep photon penetration into tissue, minimal tissue auto-fluorescence, less scatter, and high optical contrast.

**Synonyms:** - NIR Fluorescence Imaging - NIR Optical Imaging - NIRF - Near Infrared Fluoroscopy