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Are your eclipse glasses
safe for looking at the Sun?

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Let's check to see if your eclipse
glasses can handle the heat,

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or if they need to stay inside.

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First off, never check your
eclipse glasses with the Sun.

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That's a good way
to injure your eyes.

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Take your eclipse glasses
and find a bright light,

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like a lamp or a flashlight.

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Hold your eclipse glasses up to the light
and look through them.

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The light will appear extremely dim
or not appear at all

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when looking through the glasses.

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For example, you should only be able

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to see the filament of a light bulb,
but not the glow surrounding the bulb.

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Also, if your eclipse glasses have
any marks or scratches on them –

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don’t use them!

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If you have older eclipse glasses
from a previous eclipse,

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give them a check to make sure
they haven't been

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damaged or scratched.

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All safe eclipse
glasses will meet the

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ISO 12312-2 standard.

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It's best to store eclipse glasses
in a safe place

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where they won't become
scratched or punctured.

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Remember,

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never look at the Sun without
eclipse glasses or a solar filter.

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Be safe and happy Sun 
viewing everyone!