Dry eye occurs when your eyes don't produce enough tears or when tears evaporate (dry up) too quickly. Your eyes may feel "dry," become red and irritated, and your vision may blur. While dry eye doesn ...

Headache Causes: People often suffer from headaches, but when they go to the doctor, their MRI, blood tests, and other tests come back completely normal. This raises questions. Causes of headache ...

If you've ever gotten an eyelash stuck in your eye, you know how even the tiniest trigger can cause pain. In general, there are a number of causes for eye pain. That can make it difficult to figure ...

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. Why do people get headaches? – Evie V., age 10, ...