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Why you need eclipse glasses to view a partial solar eclipse

On 12th August 2026, skywatchers across the UK will be treated to a spectacular partial solar eclipse — but it’s vital to remember that looking directly at the Sun without proper protection can cause serious and permanent eye damage.

Unlike a total solar eclipse, where the Sun can briefly be viewed safely during totality, a partial eclipse never makes the Sun safe to look at with the naked eye. Even when much of the Sun is covered by the Moon, the remaining sunlight is still intense enough to damage the retina in seconds. Because this damage is painless, many people may not realise harm has been done until it is too late.

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Safe observation of a partial eclipse with solar glasses

That’s why certified eclipse glasses are essential. Special solar viewing glasses are designed with filters thousands of times darker than ordinary sunglasses, blocking harmful ultraviolet and infrared radiation while allowing you to enjoy the eclipse safely.


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