It is very important to protect your eyes. 我们再怎么强调也不为过. But if you take the correct precautions, you, too, can enjoy this once-in-a-generation event.
Michael E. 马里兰州Zegans周一, 4月8日, a total solar eclipse will darken the daytime skies in multiple areas of the United States. The next full eclipse won’t happen for more than 20 years, so people in the path of totality should take advantage of this extraordinary astronomic event while it’s here.
Observing a solar eclipse isn’t as simple as normal gaze at the heavens, however. Even when the sun is fully covered by the moon, it is never safe to stare directly at the sun. “It is an exciting and rare event, but observers need to educate themselves about how to protect their eyes,” Michael E. 马里兰州Zegans, section chief of ophthalmology at 十大博彩推荐排名卫生’s Dartmouth Hitchcock Medical Center. “Prolonged sun gazing can result in permanent retinal injury.”
The following tips will help ensure you and your family take in this incredible natural phenomenon, without causing damage to your eyes and vision.
- Purchase eclipse glasses or a solar filter to wear during the eclipse. 根据 行星协会, solar eclipse glasses use lenses that are made of black polymer that are about 100,000 times darker than ordinary sunglasses and block nearly all visible light as well as all infrared and ultraviolet light. Eclipse glasses have their safety certified by the International Organization for Standardization. You can tell if a pair of solar eclipse glasses meet today’s standards if they are labeled ISO 12312-2 (sometimes written as ISO 12312-2:2015). If your glasses don’t bear that label, they should not be considered safe to wear during the eclipse.
- Carefully look at your solar filter or eclipse glasses before using them. If you see any scratches or damage, do not use them.
- Always read and follow all directions that come with the solar filter or eclipse glasses. Help children to be sure they use handheld solar viewers and eclipse glasses correctly.
- Before looking up at the bright sun, stand still and cover your eyes with your eclipse glasses or solar viewer. 在看了一眼太阳之后, turn away and remove your glasses or viewer—do not remove them while looking at the sun.
“It is very important to protect your eyes,” Zegans. “我们再怎么强调都不为过. But if you take the correct precautions, you, too, can enjoy this once-in-a-generation event.”
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