Add Yahoo as a preferred source to see more of our stories on Google. You woke up with the feeling like something was stuck in your eye. And a peek in the mirror reveals that it's an annoying stye.

Have you ever experienced the discomfort of waking up to find a painful bump on your eyelid? Chances are, it could be a stye – a common eye condition that, while bothersome, is typically harmless.

A stye or a chalazion can cause clogged glands on your eyelids that lead to swelling. If your eyes are swollen, itchy, and red, it could be because of allergies to pollen, dust, or other allergens.

People who have rosacea, eczema or diabetes have been warned that they could be more at risk of developing an issue with their eye. And while it is common, it can be painful. These health conditions ...