Violet ray
Violet Ray
Violet Ray (pronunciation: /ˈvaɪəlɪt reɪ/) is a type of electrotherapy device that was widely used during the early 20th century in the field of medicine.
Etymology
The term "Violet Ray" is derived from the violet color of the light emitted by the device, which is due to the presence of argon gas. The "ray" part of the name refers to the stream of electricity that is produced.
Description
A Violet Ray device consists of a handheld wand attached to a box containing an electrical transformer. The wand is fitted with various glass applicators that can be filled with either argon or neon gas. When the device is switched on, a high voltage, low current electrical charge is passed through the gas, causing it to glow and produce a "ray" of light. This light is then applied to the body for therapeutic purposes.
Use in Medicine
Violet Ray devices were used in a variety of medical treatments, including skin conditions such as acne and eczema, hair loss, insomnia, and general aches and pains. However, their effectiveness was largely anecdotal and not supported by scientific evidence. The use of Violet Ray devices declined after the 1940s, when they were deemed ineffective and potentially dangerous by the American Medical Association.
Related Terms
External links
- Medical encyclopedia article on Violet ray
- Wikipedia's article - Violet ray
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