I’m sure all of you reading this have seen or used a laser pointer at some point in your life, or maybe you’ve even bought one online. But have you ever paid attention to the warning signs on your ...

(Reuters Health) - Used incorrectly, laser pointers can damage the retina of the eye and may cause some irreversible vision loss, according to researchers who treated four boys for these injuries.

Pierre Gougelman had the first glass eye factory in the United States in 1851. At first, the public thought artificial eyes actually gave their wearers new sight. If only glass eyes worked that way!