Blepharitis (blef-uh-RYE-tis) is inflammation of the eyelids. Blepharitis usually affects both eyes along the edges of the eyelids. Blepharitis commonly occurs when tiny oil glands near the base of the eyelashes become clogged, causing irritation and redness. Several diseases and conditions can cause blepharitis.

Why have I suddenly got blepharitis?

What causes blepharitis? Most of the time, blepharitis happens because you have too much bacteria on your eyelids at the base of your eyelashes. Having bacteria on your skin is normal, but too much bacteria can cause problems. You can also get blepharitis if the oil glands in your eyelids get clogged or irritated.

Is blepharitis caused by poor hygiene?

Blepharitis is a chronic or long term inflammation of the eyelids and eyelash hair follicles. It affects people of all ages. Among the most common causes of blepharitis are poor eyelid hygiene; excessive oil produced by the glands in the eyelid; a bacterial infection (often staphylococcal); or an allergic reaction.