Yes, you can not look at the solar eclipse directly, instead, you need a pair of special glasses. However, it is overstated that straight watch will causes total blindness. But it actually hurts. You may not release it immediately, because a retinal burn has no initial pain. But, the symptoms will manifest several hours later, then the damage has already been done. Have you ever play a trick like using the sun and a magnifying glass to lit a paper on fire ?This is one thing. Our eyes have lenses. This lens can concentrates a spot of sunlight on your retina, when you stare at the sun, then retina will be burned. Your ophthalmic imaging function will be damaged, and then you are blind. Well, take care of your eyes. They are delicate. Don't do it.