It is unusual for blepharitis to cause serious problems. However, blepharitis can lead to a number of other conditions.
- Sty: A sty or hordeolum is a bacterial infection in one of the oil glands whose opening is clogged. The result is a painful lump on the edge or inside of your eyelid.
- Chalazion: A chalazion or conjunctival granuloma occurs when a blockage in one of the oil glands causes that gland to become enlarged and scarred.
- Chronic pink eye: Blepharitis can lead to recurrent bouts of pink eye (conjunctivitis).
- Ulceration of the cornea: Constant irritation from inflamed eyelids or misdirected eyelashes may cause a sore (ulcer) to develop on your cornea.
Blepharitis does not affect vision generally, although a poor tear film may intermittently blur vision, causing varying amounts of fluctuating vision during the day. Call your ophthalmologist if you develop significant changes in vision, since this symptom is not due to the blepharitis.
Also call your ophthalmologist if you develop significant pain in either or both eyes, if symptoms become worse or last for longer than two weeks, or if you develop a sore on the eyelid that persists or increases in size, especially if it is red, bleeding, and not healing.
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