Woods Lamp Tinea Versicolor. Look at the skin with a special device called a wood's lamp. The dermatologist will hold the wood's lamp about 4 or 5 inches from the affected skin.
If the patient has tinea versicolor, the affected skin appears yellowish green in color when looked at with this lamp. Look at the skin with a special device called a wood's lamp. This will be examined under a microscope.
