What Is a Wood’s Lamp Exam?
A Wood’s lamp is a gadget that emits purple or violet UV rays. Normal, healthy skin will not glow under the lamp. Some kinds of bacteria, fungi, and other skin conditions will. Inside Creative House/ Getty Images This article explains how a Wood’s lamp works to detect skin and hair conditions. It also covers the conditions it can help diagnose and what you might expect during the exam. Also Known As The Wood’s lamp was named for the physicist who invented it....