Blacklight

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(Redirected from Wood's lamp)

Blacklight or ultraviolet light is a type of light that is invisible to the human eye. It is a part of the electromagnetic spectrum that lies beyond the purple range of the visible spectrum. The wavelength of blacklight is shorter than that of visible light but longer than that of X-rays.

Overview[edit]

Blacklight is commonly used in many different fields. It can be used for authentication of bank notes, identification of certain minerals, and in medicine for the treatment of certain skin conditions. In the medical field, blacklight is often used in a procedure called Wood's lamp examination.

Medical Uses[edit]

Wood's Lamp Examination[edit]

A Wood's lamp is a diagnostic tool used in dermatology which emits blacklight. It is used to detect several conditions that can affect the skin, including bacterial and fungal infections, vitiligo, and other skin abnormalities. The light causes these conditions to fluoresce or change color, making them easier for the doctor to identify.

Phototherapy[edit]

Blacklight is also used in phototherapy, a treatment for conditions like psoriasis, eczema, and jaundice in newborns. The ultraviolet light slows the growth of skin cells and can help to alleviate symptoms.

Safety[edit]

While blacklight is generally safe, prolonged exposure can cause damage to the eyes and skin. It is important to use protective eyewear when using blacklight and to limit exposure to the skin.

See Also[edit]

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Blacklight[edit]

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