What is blepharitis?
Blepharitis is inflammation of the eyelids. Blepharitis usually affects both eyes.
Blepharitis commonly occurs when tiny oil glands near the base of the eyelashes become clogged, causing irritation and redness. Several diseases and conditions can cause blepharitis.
Blepharitis is often a chronic condition that's difficult to treat. Blepharitis can be uncomfortable and unsightly. But it usually doesn't cause permanent damage to your eyesight, and it's not contagious.
Symptoms
Blepharitis signs and symptoms are typically worse in the morning.
They include:
- Watery eyes
- Red eyes
- A gritty, burning or stinging sensation in the eyes
- Eyelids that appear greasy
- Itchy eyelids
- Red, swollen eyelids
- Flaking of the skin around the eyes
- Crusted eyelashes
- Eyelid sticking
- More frequent blinking
- Sensitivity to light
- Blurred vision that usually improves with blinking
Causes
The exact cause of blepharitis isn't clear.
In some cases It might be associated with one or more of the following:
- Seborrheic dermatitis
- Infection
- Clogged or malfunctioning oil glands in your eyelids
- Rosacea
- Allergies
- Eyelash mites or lice
- Dry eyes
Source:
https://www.mayoclinic.org/diseases-conditions/blepharitis/symptoms-causes/syc-20370141