Why unprotected eclipse gazing will leave you seeing stars
On Monday, tens of millions of spectators across Mexico, the United States and Canada witnessed the moon completely obscure the sun’s light, a rare celestial spectacle that won’t be visible for most of North America again until 2044. Medical literature is teeming with examples of people who suffered damage to their retinas—the layer of light-sensitive tissue at the back of the eye—and health professionals are offering advice on how to avoid becoming the next cautionary
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