Health

Saturday 30 August 2014

Bright eyes wear shades: Protect eyes from UV rays

When shopping for sunglasses, choose a pair with a UV 400 label or a statement that they offer 100pc UV protection.

MOST people check the SPF number of sunscreen to protect themselves from sunburn, but few of us know for sure if our sunglasses are shielding our eyes from harmful UV radiation.

It is associated with melanoma of the eye and other cancers, while the World Health Organisation estimates that up to 20 per cent of cataracts may be caused by overexposure to UV radiation.

UV exposure has also been directly linked to other disorders: photoconjunctivitis (sunburn of the cornea and conjunctiva), photokeratitis and pterygium, where the conjunctiva grows over the surface of the eye.

Some sunglasses give inadequate protection from UV radiation. Even those with UV protection certification can become less effective over time, and there is no worldwide standardization for these certifications. When shopping for sunglasses, choose a pair with a UV 400 label or a statement that they offer 100pc UV protection.

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