Wood's lamp examination
Alternate Names : Black light test, Ultraviolet light test
Risks
There are no risks. Avoid looking directly into the ultraviolet light.
Special Considerations
Do not wash before the test, because that may cause a false-negative result. A room that is not dark enough may also alter results. Other materials may also glow. For example, some deodorants, make-ups, soaps, and even lint may be visible with the Wood's lamp.
Not all types of bacteria and fungi can be detected with the light.
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