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Everyone is exposed to Ultraviolet Radiation (UV) from the sun; UV rays can cause major damage to our skin and eyes. The UV index is an international system of measuring ultraviolet solar radiation for a specific day and geographical location. The higher the index, the more intense and dangerous to your health the solar radiation is. When the UV Index reaches 3 or more – even on cloudy days – wearing sunglasses is highly recommended, especially for children.

In the UK the UV index does not often exceed 8 but 7 is becoming more common. Right now, in late June, the Index is 8 for large parts of the UK. Indices of 9 and 10 are typically seen in the Mediterranean area.

UV Index - Exposure

1-2: Low
3-5: Moderate
6-7: High
8-10: Very high
11: Extreme

Protecting your eyes

The aim of the index is to warn people of the increased risks of skin and eye damage and protect themselves with a high SPF sun lotion along with wearing hats and sunglasses.

Some conditions can amplify the UV index, such as a beach. White sands can nearly double UV exposure as the sun reflects off the surface. It’s worth remembering that our eyes are ten times more sensitive to UV light than our skin and children’s eyes are at the greatest risk of UV damage. Protection from UV by wearing good quality UV400 rated, CE marked sunglasses when outdoors in the summer is essential to avoid long term eye damage from UVR.