Scratching your cornea is pretty common and can happen a variety of ways (fingernail, tree branch, corner of a box, piece of paper, mascara brush, etc.) If and when it happens getting it evaluated by a medical professional is a always good idea! Sometimes if the scratch is deep into the cornea or centrally located it can possibly lead to a permanent reduction in your best corrected vision in that eye or threaten your eye health in other ways. Even if it is not deep or centrally located, if it do