Skin is the largest and one of the most complex organs of the body. It is the body’s first protective shield against diseases, infection, dirt, and foreign objects. Skin also helps to regulate the body temperature and protects it from ultraviolet rays, bacteria, and viruses. The human skin has to sustain various disorders, ranging from itching to infection caused by viruses, bacteria, and fungi, as well as excessive exposure to the sun that can lead to sunburn, brown spots, drying of skin, wrinkling, and skin cancer. Redness, itching, swelling, and burning are caused due to any inflammation or clog on the skin. Allergies, irritants, and certain diseases and immune system problems cause rashes and other skin conditions. Common skin diseases include skin cancer, acne, psoriasis, nail infection acne, eczema, and other skin conditions.
Dermatology is the diagnosis and treatment of conditions related to skin, hair, and nails. Dermatological diagnostic devices are used for identifying and monitoring skin conditions. Dermatoscope, imaging technique, and microscope are some examples of dermatology diagnostic devices. Dermatoscope is a surface microscope used to examine the skin lesion in dermatoscopy. Dermatoscopy requires a powerful lighting system and high quality magnifying lens, to examine the skin structure and patterns. Dermatoscope is mainly used to assess pigmented skin lesion, skin tumor, scabies, fungal infection, and hair loss; and for locating a splinter, examining nail fold capillaries in cutaneous lupus erythematosus or systemic sclerosis, and detection of melanoma. It is also used to distinguish certain skin conditions, such as lichen planus, from others such as psoriasis and eczema.
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