Critical Information about Eclipse Viewing

The Northwestern University Health Service has issued a warning regarding eye safety during the upcoming eclipse August 21, 2017.

Individuals should not look at the sun or the eclipse without proper eye protection. The Chicago metropolitan area is not within the narrow path of eclipse totality. Significant eye injury could occur should individuals look at the eclipse without adequate eye protection, even if for only a brief time.

There are a number of ways to enjoy eclipse event, but advance preparation is needed.

Several safety certified protective glasses are made for this purpose. Individuals should check these glasses carefully before use for any evidence of damage and should confirm that the glasses have appropriate safety certification for the purpose of eclipse viewing.

Some Internet vendors have sold eclipse viewing glasses that do not meet safety standards, and some products have even fraudulently provided a safety statement. Several major vendors have issued warnings about sales of unverified safety glasses and a few have already issued refunds. Individuals who received a warning from a vendor as a result of purchasing eclipse viewing glasses should not use the glasses.

If you have any doubt about the safety of your instrument or if it shows any damage, do not use it and do not look directly at the eclipse.

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