Wood’s lamp Examination:
   
Wood’s lamp is considered as an important investigative tool in diagnosis of many
      dermatoses.
     
   
The lamp is a wood’s glass, primarily barium silicate containing 9% Nickel oxide is opaque
      to all light except for a band extending from 320—400nm.
   
360nm. Is the wavelength emmited from it.
     
   
It is useful in diagnosis of the differentiation underlying disorder.
     
   
Pigmentation Disorders
   
Pityriasis Alba
   
Vitiligo
   
Tuberous Sclerosis
    Melasma
    Nevoid lesions
       
   
Fungal diseases
    Tinea Capitis
    Pityriasis Versicolor
    Tinea Unguim
       
   
Bacterial Infections
    Pseudomonas Infection
    Erythrasma
       
   
Heriditary Disorders
    Porphyria
    Detection of deposition of tetracycline in teeth.