Lamp of Wood

If you have pets, then it was necessary to collide with this device in veterinary clinics for sure. Under the lamp of Wood your four-legged friends could check for the presence of depriving. This inspection should have been remembered to you, since it required him to dark out the cabinet and shine a fluorescent lamp on the beast. You will be surprised even more when you learn that the same procedure is carried out for people. And that same lamp is none other than the lamp of Wood.

Black Wood Lamp for the Diagnosis of Skin Diseases

Invented this device was an American. Physics Vood managed to find a rational application of a fluorescent light bulb emitting ultraviolet waves. The last in length can reach 360 - 370 nanometers and are called black light. According to the principle of operation, this device is similar to the more famous installation for quartz rooms. It's only the glow from Wood's lamp, visible to the eye, is weaker and harmless.

The essence of the survey is quite simple. If in the area of ​​the skin where the waves get to, there are at least some signs of the vital activity of harmful microorganisms, they begin to glow. In dermatology, the Wood lamp is used to diagnose diseases such as:

• candidiasis;
• lichen;
• trichophytosis;
• vitiligo ;
• dermatosis;
• microsporium;
• lupus;
• favuses.

In addition, ultraviolet radiation reliably shows the presence of inflammatory processes on the skin.

There are many advantages to using the Wood lamp. Perhaps, the most important of them is efficiency. The results of the examination can be ready in a few minutes after it is completed, and accordingly, treatment can be prescribed immediately. While traditional dermatological analyzes decode at least 24 hours, gaining additional time for malicious microorganisms.

You can influence the glow of the Wood's lamp on bare skin, and on the mucous membrane, and on the scalp. Moreover, this device even allows you to examine the condition of nails and eyebrows.

There are no contraindications to the use of this method of examination. He is absolutely harmless. Apply the lamp more than once. In the course of treatment, dermatologists use it to evaluate the effectiveness of therapy.

Features inspection under the lamp Wood

Why are harmful microorganisms under the influence of ultraviolet light begin to shine, experts say can not reliably. But the fact that this feature is very much in the hands of medicine, there is no doubt.

Always for the duration of the procedure, the eyes and skin of the subject's face should be covered with a light cloth bandage. In order for the results of the examination to be accurate, before the beginning of the skin it must be carefully treated with special means. Even microscopic particles of sweat or cosmetics can be confusing. If there are damages on the surface of the epidermis, it is undesirable to act on it with luminescence.

Determine the problem under the ultraviolet can be by its color:

• vitiligo - white;
• fungus - greenish;
• deprive under the lamp of Wood - light yellow;
• erythrasma - coral red;
• lupus erythematosus - white-blue;
• problems with pigmentation - brown;
• pseudomonas - green.

If the examination is carried out at an early stage of the disease, the glow may well be absent. In this case, actual become traditional methods of research.

Surprisingly, even different types of skin look perfect under the lamp:

1. Sensitive skin under the influence of ultraviolet radiation glows purple.
2. Dry - produces a gentle turquoise glow.
3. If the skin is absolutely healthy and free from any infections or fungal lesions, it glows light blue.
4. Oily skin can be recognized by a blue hue.