The wood's lamp exam shows areas of skin that are pigmented, depigmented, or fluorescent.

Wood lamp examination. Web a wood’s lamp examination is a simple test that can identify certain conditions on your skin, scalp and hair. The test is usually done in a skin doctor's (dermatologist's) office. Inside creative house / getty images

Web the wood's light or lamp is often used to make a diagnosis of specific skin and hair disorders. It also can detect skin pigment disorders such as vitiligo and other. Web black light test ultraviolet light test how a wood's lamp works a healthcare provider turns on a wood's lamp and holds it over areas of your skin or hair to look for signs of an infection or other condition.

Blacklight is invisible to the naked eye because it is in the ultraviolet spectrum, with a wavelength just shorter than the colour violet. Web a wood lamp examination is a test that uses ultraviolet (uv) light to look at the skin closely. Normal, healthy skin appears blue under a wood's lamp and does.

Web what does a wood's lamp exam show? It’s often used to help diagnose fungal, bacterial and parasitic infections. Web a wood’s lamp examination is a procedure that uses transillumination (light) to detect bacterial or fungal skin infections.

By exposing human tissues to the light emitted by wood's lamp, one can determine the cause.