What Is Blepharitis?
Blepharitis is a chronic inflammation that affects the eyelids and the eyelashes, and it is one of the most common problems doctors see in their office. A frequent problem in both children and adults, blepharitis often causes redness and swelling, as well as well as itching and irritation of the eyelids.
Causes of Blepharitis
Among the most common causes of blepharitis are the following:
- Poor eyelid hygiene
- Excessive oil produced by the glands in the eyelid
- Bacterial infections
- Allergic reactions
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What Is a Chalazion?
A chalazion is a small firm bulge in the eyelid caused by a blocked opening or infection of the oil producing glands located in the upper or lower eyelids. Chalazia are frequently associated with a condition called blepharitis.
Chalazia may be uncomfortable, look abnormal, or interfere with vision. They are initially red, swollen, and tender. In rare cases, the chalazion may grow large enough to apply pressure on the eye causing droopiness of the eyelid and blurred vision.