How To Safely View A Solar Eclipse

A solar eclipse will be visible across North America for 2 to 3 hours on Monday, August 21, 2017. Watching the moon slowly block out the sun is a rare opportunity but should be attempted with caution. “Never look directly at the sun or an eclipse! The sun’s rays can damage the retina and lead to permanent vision loss,” said Rachel Bishop, M.D., chief of the NEI Consult Service. The retina is the light-sensitive tissue in the back of the eye. A condition called solar retinopathy occurs when sunlight burns and potentially scars the retina. Symptoms of solar retinopathy include central graying and fuzziness of vision. A solar eclipse can be viewed safely by looking through special-purpose solar filters. These filters must meet an international standard, indicated by ISO 12312-2 certification. “While using UV-blocking sunglasses is an important part of

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