Have you ever felt a twitching sensation in your eye? Did it feel like everyone was looking at you because of it? Were you worried that it was the beginning of a big problem?

Relax--it’s not likely to be a big deal. Most of the time it is not even visible to other people.

It's reassuring to know it’s almost never your actual eyeball that is twitching; it’s your eyelid muscle. Actual eye twitching is fairly rare and your vision would be pretty blurry if that's what were really happening.

The eyelid has a muscle in it that closes the eyelid and that muscle has a very high concentration of innervation. Because of that dense nerve tissue in the eyelid, anything that makes your nervous...

Shingles is the term we use to describe a condition that is caused by a re-activation of the Herpes Varicella-Zoster virus. The origin of this infection usually goes way back to childhood with a disease we know as chickenpox.

When you have a chickenpox infection, your immune system manages to eventually suppress that virus from causing an active infection, but the virus does not get completely eliminated from your body--it is able to go and hide in your nerve roots.

Your immune system manages to keep the virus in check for most of your life but there may come a time in adulthood when your immune system is not working as well as it used to, and the virus can reappear. It usually does...