Woods Lamp Replacement Bulb.Blacklights have an important clinical use, diagnosing ringworm in cats, dogs, and other animals.The most common tool veterinarians use to diagnose ringworm on pets is a Woods Lamp, which is another name for the common blacklight bulb.Wood lamp examination is a diagnostic test in which the skin or hair is examined while exposed to the light emitted by Wood lamp. A Wood lamp emits 'black light'. Black light is invisible to the naked eye because it is in the ultraviolet spectrum, with wavelength just shorter than the colour violet. The lamp glows mauve in a dark environment, because it also emits some light in the violet part of the electromagnetic spectrum.
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