Millions risk permanent blindness if they ignore eclipse safety warnings and use regular sunglasses

Science and space commentator Dr Niamh Shaw explains the danger of wearing sunglasses over eclipse sunglasses for Wednesday's partial solar eclipse.

Read more: https://news.sky.com/story/a-solar-eclipse-is-coming-heres-why-you-wont-want-to-miss-it-13570787

#eclipse #space #science #skynews

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