Blepharitis

Definition

Blepharitis is an inflammation of the eyelid margins, often involving bacterial infection or skin conditions. It typically presents with redness, itching, and crusting around the eyelashes.

5 Must Know Facts For Your Next Test

1. Blepharitis can be caused by Staphylococcus aureus, a common bacterium found on the skin.
2. Symptoms include red, swollen eyelids, flaky skin at the base of the eyelashes, and a burning sensation in the eyes.
3. Chronic blepharitis can lead to complications such as conjunctivitis or keratitis.
4. Treatment often involves good eyelid hygiene and antibiotic ointments or drops.
5. Microscopic mites called Demodex can also contribute to blepharitis.

Review Questions

• What are the common bacterial causes of blepharitis?
• List three symptoms associated with blepharitis.
• What are some potential complications arising from chronic blepharitis?

Related terms

Conjunctivitis:

Inflammation or infection of the outer membrane of the eyeball and inner eyelid.

Keratitis:

Inflammation of the cornea that can result from infection or injury.

Staphylococcus aureus:

A type of bacteria commonly found on the skin and in the respiratory tract that can cause various infections.