Here are images that show the steps for using a nebulizer for a child.

Here are images that show the steps of using a nebulizer.

Here are images that show the steps of using a dry-powder twist inhaler.

Here are images that show the steps of using a dry-powder diskus inhaler.

Here are images that show the steps for using a metered-dose inhaler with a spacer.

An eye twitch is an automatic blinking of your eyelid that you can't control. This abnormal blinking may happen many times a day. If eye twitching is severe, it can cause problems with your eyesight.

Sjögren syndrome is an autoimmune health problem. It’s a disease where the body’s immune system attacks its own cells and tissues.

Ectropion is an eyelid that sags or turns outward. It often affects one or both lower eyelids. Ectropion leaves the eye too exposed. The eye can become dry, irritated, and even infected. This can lead to serious problems. In some cases it can lead to loss of eyesight.

Learn about CRE infection, including symptoms, diagnosis, treatment, and prevention.

A corneal ulcer is an open sore on your cornea. In most cases, it's caused by an infection.