Read previewIt's not safe to look at a solar eclipse without wearing certified protective glasses. Some people might start to notice vision changes within a few hours, though it's most likely they would become apparent by the next day, according to the American Academy of Ophthalmology. Unlike sunglasses, eclipse glasses are so dark that you shouldn't be able to see through them, he said in a statement. If you are experiencing vision changes or eye pain, even if you wore proper eye protection, call an eye doctor to schedule an appointment. A 4-year-old uses special glasses to look into the sky during a partial solar eclipse in Berlin.

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Persons: —, it's, It's, Andres Kudacki, David Hinkle, They're, Sean Gallup, Santa Croce Organizations: Service, Business, American Academy of Ophthalmology, National Eye Institute, AP, Tulane University's, European, Ophthalmology, Eye Institute Locations: Berlin, Philadelphia