Olive oil is one of aromatherapy, which is a form of alternative medicine that uses volatile plant materials, known as essential oils. These kinds of oil is good for eyes and other parts of body. And if you have no anything wrong with your eyes, it's okay that olive oil entered your eyes by accident. Because olive oil just works for puffy eyes, black eyes and dry eyes. But it doesn't matter, you just need to clean them up in time. Firstly, flush your eyes with warm and clean water without any facial cleanser. Second apply a warm and watery towel compress eyes for 5 minutes. Thirdly, if your eyes still feel irritation or pain, drop some basic eye drops which may reduce your uncomfortable. When this foreign matter enters eyes, your eyes will pain and redness. But you'll be fine and they are hardly to damage eyes except your eyes injured before. However, in order to avoid potential eye diseases, you'd better ask a s doctor to describe your condition and seek some good remedies.