An eye doctor has addressed a common source of confusion during routine eye exams, explaining how the process works in a now viral video. Dr. Claudine Courey, also known as Dr. C or @eyedropshop ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. How long does it take for your eyes to adjust to ...

Add Yahoo as a preferred source to see more of our stories on Google. No one can see in total darkness. Fortunately, there’s almost always some light available. Even if it’s only dim starlight, that’s ...