Total Eclipse 2024

Solar eclipse glasses: What to know, viewing tips, and how to tell if they are safe

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Getting ready for the April 8 total solar eclipse? If you plan to check it out, you will need eye protection.

Here's a breakdown on what to look for when it comes to solar eclipse glasses.

How do I know solar eclipse glasses are safe?

Glasses or viewers, including telescopes, that you use to watch the solar eclipse should meet the International Organization for Standardization, or ISO, of 12312-2, according to the American Astronomical Society.

"ISO 12312-2 specifies the properties that a solar viewer should have in order to protect your eyes from injury and provide a comfortable view," AAS says on its website.

People across the Bay Area are preparing for Monday’s historic solar event, a total eclipse of the sun. Thom Jensen reports.

Where can I find safe solar eclipse glasses?

The American Astronomical Society has a recommended list of organizations and retailers who provide safe solar viewers and filters. Check out the list approved by the AAS Solar Eclipse Task Force.

Solar eclipse viewing safety tips

For starters, make sure you have the proper protection by following the recommendations mentioned above. If you plan to take photos, here's a guide and equipment needed to protect you and your gear from the sun.

"The worst thing we can do is to ever look directly at the eclipse," Ronald Benner, an optometrist and president of the American Optometric Association, said in an interview with CNBC. "Even a split second."

You risk permanent damage by looking at a solar eclipse without eye protection. View CNBC's interview with Benner for further safety tips.

Make your own solar eclipse glasses

If there's nowhere near you to get glasses, it's simple enough to make your own. Follow these instructions from NASA to create your own viewing tool with materials that you can find around the house.

Wearing certain colors enhance solar eclipse viewing experience

Experts say wearing shades of red and green will enhance the viewing experience. But why those colors?

Here's a breakdown and the science behind why wearing certain colors will make for a better solar eclipse viewing experience.

A total solar eclipse will be sweeping across North America, darkening skies and delighting spectators across the continent. Raj Mathai speaks with Gerald McKeegan of Chabot Space and Science Center.
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