This would thus be the best time to review the list of "reputable vendors" of solar filters and viewers that was recommended by the American Astronomical Society.
Millions of Americans are getting ready to view the next eclipse on August 21, but Dr. Russell Van Gelder from the University of Washington School of Medicine warns blindness is a risk if you don't have proper eye protection. Take note, though - eclipse glasses aren't just sunglasses. "You don't want to use your sunglasses to look at the sun".
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The organization says buyers should be skeptical of glasses even if they're stamped with an ISO seal - which has been used in the past to indicate which glasses comply with standards set by the International Organization for Standardization.
He encouraged families to protect themselves to properly enjoy the eclipse.
"Looking at the sun will cause permanent damage to your eyes", Schmude said.
If you got your glasses or filter from somewhere such as a library, a science museum or a planetarium, you're probably safe.More news: John G Ullman & Associates Inc. Raises Stake in Oclaro, Inc. (NASDAQ:OCLR)
If you've already purchased a pair of specs, AAS has a tip for testing them out.
"Some of the sun's radiation cannot be seen at all so someone looking at the eclipse without aid could be injured before they realize it", Schmude said.
Dr. Wayne Cannon says that when the sun's rays hit the front of your eye, they travel through your eye ball and hits the part of the eye that controls your central vision, burining your retina.
No matter how you see it, this eclipse can change your perspective.
According to the Storm Team, the last time one was visible in the United States was back in 1979.
The last time a total solar eclipse was visible from the continental US was about 40 years ago, on February 26, 1979.