Warning signs that your eyes are damaged from staring at the eclipse

The number of people searching “sore eyes” on Google increased by a worrying 650 per cent following Wednesday night’s eclipse, compared to the same time on Tuesday. More than 90 per cent of the Sun was obscured by the Moon on Wednesday evening - the most it has been blocked over UK skies since 1999. Crowds flocked to viewing spots with special glasses and homemade viewers created from cereal boxes and colanders, which sent sales of the kitchen item up by 40 per cent compared to last year, according to John Lewis. But experts warned astronomy fans to only view the astral event with ISO 12312-2 solar eclipse glasses because looking directly at the sun's rays, even with sunglasses, can cause retinal damage. A central blind spot or blurry vision could be a warning sign of permanent damage. Peo