Sun Shield

A Special three-day skin awareness campaign regarding photosensitive skin diseases and harmful effects of UV rays began at National Skin Hospital today. The campaign is being launched on the occasion of International Day for Preservation of the ozone layer. Dermatologist and dermato-laser surgeon, Dr Vikas Sharma will head the National Skin Hospital team to examine patients. The major effects of sunlight are caused by the ultraviolet and visible radiation it contains. None of these radiations penetrate deep into the human tissue, so injuries they cause are confined to the skin and eyes. Reactions include sunburn, skin cancers, aging of the skin, solar elastoses, and solar keratoses. Injuries of the eye include photokeratitis, which may result from prolonged exposure to intense sunlight, photochemical blue-light injury of the retina, from gazing directly at the sun; cortical cataract of the lens; and uveal melanoma. Early diagnosis and treatment of these disorders is important to prevent irreversible cosmetic damage. Some preventive measures include avoid sunlight between 10 am and 3 pm, using sunscreens with an SPF of 15 or higher on areas exposed to the sun, using water-resistant sunscreens often when swimming or sweating. When buying sunglasses, look for a pair that blocks 99-100% of UV-A and UV-B. Children's eyes should not be overexposed to sun.

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