Conjunctivitis (pink eye)
Abnormal eye mucus is often a symptom of conjunctivitis, in addition to itchiness, a gritty sensation, irritation and red eyes. Different types of eye mucus accompany various types of conjunctivitis. In severe cases, it can form a crust along you lash line and cause your eyes to seal shut temporarily.
Eye discharge is usually watery with allergic conjunctivitis.
Eye discharge resulting from bacterial conjunctivitis is typically thicker and more sticky and yellow or green in appearance.
Viral conjunctivitis produces eye discharge which sometimes contains a white or yellow mucus but is usually clear.
Dacryocystitis is caused by a blocked tear duct which can lead to inflammation and infection of the lacrimal sac. Symptoms include a sticky discharge as well as extreme discomfort and redness.
Meibomian gland dysfunction
Meibomian gland dysfunction is a malfunctioning of the oil glands in the eyelid. It can cause eye discharge of a foamy nature in addition to eyelid crusting, pus-like fluid and other painful symptoms.
The cause of this is usually an infected eyelash follicle. An infected eyelash follicle results in a clogged meibomian gland resulting in swollen eyelids and an unpleasant sensation on the eye. Abnormal eye discharge often accompanies this and features yellow pus.
Eye injuries cause watery discharge and sometimes even pus or blood in the eye. If this occurs, you should see your optician as an urgent matter.
If you wear contact lenses, you are more likely to find more sleep in your eyes. Excess eye discharge can be a symptom of a contact lens-related eye infection or dry eyes as a result of contact lens wear.
One should treat a corneal ulcer right away to prevent complete vision loss. Eye discharge from a corneal ulcer can be extreme, clouding the cornea and damaging your vision.
Other Eye Conditions that can cause abnormal eye discharge include:
- Acanthamoeba Keratitis
- Dry eye
- Eyes herpes
- Fungal Keratitis