Finsen light

Related to Finsen light: Niels Finsen

Fin´sen light

1.(Med.) Highly actinic light, derived from sunlight or from some form of electric lamp, used in the treatment of lupus and other cutaneous affections.
References in periodicals archive ?
Beneath the operating theatre was a room devoted to the treatment of lupus (skin diseases) using Finsen lights. Early X-ray equipment was housed in an adjacent dark room.