Pennsylvania Attorney General Michelle Henry is cautioning residents to be on the look out for solar eclipse glasses being sold by scammers.

The glasses, which are being sold in preparation for April 8 cosmic event, are needed for a safe viewing of the eclipse. In parts of Pennsylvania including Erie and Mercer counties, the total solar eclipse will be visible. Parts of the state will experience a partial eclipse ranging from 88 to 99% of coverage of the sun, the news release indicated.

Scammers have been capitalizing on the demand for glasses, according to Henry.

“This is a fun and exciting global event, and that widespread anticipation has attracted scammers looking to make a buck without consideration of potential harm,” Henry said in the release. “Do your research to make sure the glasses you buy will thoroughly protect your eyes and allow you to safely view the solar eclipse.”

Real eclipse glasses will be marked with the international safety standard — certification number ISO 12312-2 and be visible on the frames of the glasses, the release indicated.

The office advised that viewers using a camera or telescope should use a solar filter on their lenses. More information on those filters is available through the American Astronomical Society’s website.

Normal sunglasses are not a safe way to view the eclipse, according to the release.

If you believe someone sold you a fake pair of solar eclipse glasses, call the attorney general’s consumer protection hotline, 1-800-441-2555 or email scam@attorneygeneral.gov.