SpectraScience, Inc. develops and markets a technology platform to instantly determine whether a tissue is normal, pre-cancerous, or cancerous without the need for a physical biopsy in the United States, Europe, and internationally. It offers WavSTAT3 optical biopsy system to determine whether a colon tissue is normal, pre-cancerous, or cancerous without physically removing tissue from the body; and WavSTAT4 optical biopsy system, a colon diagnostic product that operates by using UV laser light to optically illuminate and analyze tissue, enabling the physician to make an instant diagnosis during endoscopy when screening for cancer. The company also sells mobile consoles and disposable forceps. In addition, it engages in developing an esophageal diagnosis application for the detection of pre-cancerous and cancerous tissues in various tissues of the body. The company was formerly known as GV Medical, Inc. and changed its name to SpectraScience, Inc. in October 1992. SpectraScience, Inc. was founded in 1983 and is based in San Diego, California.