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  • Kate, our 2 year old, loves the glasses and happily wears them all around Perth!Catherine,Australia
  • I run with Schäedz Sunglasses. I love the lens, they make me see better.Cristian,Russia
  • Our 3 year old loves his red Schäedz. Thank you!Harpartap,USA


Ultraviolet (UV) radiation is part of the electromagnetic spectrum emitted by the sun. Whereas UVC rays (wavelengths of 100-280 nm) are absorbed by the atmospheric ozone, most radiation in the UVA range (315-400 nm) and about 10 % of the UVB rays (280-315 nm) reach the Earth's surface. Prolonged human exposure to solar UV radiation may result in acute and chronic health effects on the skin, eye and immune system.

Schaedz - Quality Polarized sunglasses for the whole family

One long term effect is an inflammatory reaction of the eye. In the most serious cases, skin cancer and cataracts can occur. The eye is recessed within its orbit and shielded by the brow ridge, the eyebrows and the eyelashes. Bright light activates the constriction of the pupil and the squinting reflex to minimize the penetration of the sun's rays into the eye. Acute effects of UV radiation exposure include photokeratitis and photoconjunctivitis. These inflammatory reactions are comparable to a sunburn of the very sensitive skin-like tissues of the eyeball and eyelids.

Cataracts are the leading cause of blindness in the world. Proteins in the eye's lens unravel, tangle and accumulate pigments that cloud the lens and eventually lead to blindness. Even though cataracts appear to different degrees in most individuals as they age, sun exposure, in particular exposure to UVB, appears to be a major risk factor for cataract development. Worldwide some 12 to 15 million people become blind from cataracts annually, of which up to 20% may be caused or enhanced by sun exposure according to WHO estimates.

It is a popular misconception that only fair-skinned people need to be concerned about overexposure to the sun.

The risk of UV radiation-related health effects on the eye and immune system is independent of skin type. Children are at especially high risk of suffering damage from exposure to UV radiation. The latitude of a country affects the level of UV rays that reach the earth; the closer the equator, the higher the UV radiation levels. The UVI is a simple measure of the UV radiation level at the Earth's surface. It has been designed to indicate the potential for adverse health effects and to encourage people to protect themselves. The values of the Index range from zero upward and the higher the Index value, the greater the potential for damage to the skin and eye, and the less time it takes for harm to occur. The index description and some sample cities are shown below. Children are in a dynamic state of growth, and are therefore more susceptible to environmental threats than adults. Many vital functions such as the immune system are not fully developed at birth, and unsafe environments may interfere with their normal development. Children are more exposed to the sun. Estimates suggest that up to 80 per cent of a person's lifetime exposure to UV is received before the age of 18. The WHO recommends that both children and adults always wear sunglasses where the UV index is greater than 3. All of the text above is taken from the World Health Organization website. For more information please visit the website directly at http://www.who.int/uv/en/