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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
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.