Blepharitis is a bacterial infection which irritates the edges of the eye lids.
Typical signs and symptoms include redness, crusting of the lids, burning and general eye irritaiton. Some people report the sensation of a foreign matter in the eye. This is a conditon that can return every after it has been successfully treated. More severe eye infecitons will result if this condition is not treated. This is especially so if you are a contact lens wearer. is a common condition affecting your eye lids.
Two types of blepharitis
Anterior blepharitis affects the outside front of the eyelid, where they eyelashes are attached. The two most common causes of anterior blepharitis are bacteria (Staphylococcus) and scalp dandruff.
Posterior blepharitis affects the inner eyelid (the moist part that makes contact with the eye) and is causedby problems with the oil (meibomian) glands in this part of the eyelid. Two skin disorders can cause this form of blepharitis: acne rosacea, which leads to red and inflammed skin, and scalp dandruff (seborrheic dermatitis).
Complications from blepharitis
- Style: A red tender bump on the eyelid that is caused by an acute infeciton of the oil glands of the eyelid.
- Chalazion: This condition can follow the development of a style. It is usually a painless firm lump cuased by inflammation of the oil glands of the eyelid. Chalazion can be painful and red if there is also an infection.
- Problems with the tear film: Abnormal or decreased oil secretions that are part of the tear film can result in exces tearing or dry eye. Because tears are necessary to keep the cornea healthy, tear film problems can make people more at risk for corneal infections.