Blepharitis is indeed inflammation of the eyelid. Specifically, it occurs when the eyelash follicles become excessively oily or infected with bacteria.
The skin surrounding the eye is usually reddenned and irritated; the eyelid itself is crusty and seems to temporarily fuse shut. Blepharitis can mean itchiness, pain, or mild discomfort. If the symptoms are present, call a physician. Without treatment, such eye infections may result in permanent damage to the cornea, conjunctivitis, styes, or tissue scarring.
At the doctor's office, blepharitis is primarily treated through gentle cleansing and, in some cases, antibiotics.
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