Conjunctivitis is an inflammation of the conjunctiva, the mucous membrane that lines the eyelids and covers the white of the eyeball. Symptoms of conjunctivitis include redness, discharge, burning, and sometimes itching and light sensitivity. It can occur in one eye or both.
The most common pink eye symptoms include:
Causes of pink eye include:
Most cases of pink eye are typically caused by adenovirus but can also be caused by herpes simplex virus, varicella-zoster virus, and various other viruses, including the virus that causes coronavirus disease 2019 (COVID-19).
Both viral and bacterial conjunctivitis can occur along with colds or symptoms of a respiratory infection, such as a sore throat. Wearing contact lenses that are not cleaned properly or are not our own can cause bacterial conjunctivitis.
Both types are very contagious. They are spread through direct or indirect contact with the liquid that drains from the eye of someone who's infected. One or both eyes may be affected.
Allergic conjunctivitis affects both eyes and is a response to an allergy-causing substance such as pollen. In response to allergens,our body produces an antibody called immunoglobulin E (IgE). This antibody triggers special cells called mast cells in the mucous lining of our eyes and airways to release inflammatory substances, including histamines. Our bodies release histamine can produce a number of allergy signs and symptoms, including red or pink eyes.
If one have allergic conjunctivitis, one may experience intense itching, tearing and inflammation of the eyes — as well as sneezing and watery nasal discharge. Most allergic conjunctivitis can be controlled with allergy eyedrops.
Irritation from a chemical splash or foreign object in our eye is also associated with conjunctivitis. Sometimes flushing and cleaning the eye to rid it of the chemical or object causes redness and irritation. Signs and symptoms, which may include watery eyes and a mucous discharge, usually clear up on their own within about a day.
If initial flushing does not resolve the symptoms, or if the chemical is a caustic one such as lye, onr need to be seen by your doctor or eye specialist as soon as possible. A chemical splash into the eye can cause permanent eye damage. Persistent symptoms could also indicate that one still have the foreign body in our eye or possibly a scratch over the cornea or the covering of the eyeball (sclera).
Risk factors for pink eye include:
Inflammation in the cornea that can affect vision.
Eye pain,
Feeling that something is stuck in eye (foreign body sensation),
Blurred vision or light sensitivity can reduce the risk of complications.
VIRAL CONJUNCTIVITIS CAN BE TRANSMITTED FROM
One person to another by casual contact,
Sharing towels or pillow cases,
Facial contact, or s
Sharing of cosmetics
Can occur before, during, or after a cold or upper respiratory infection
ALLERGIC CONJUNCTIVITIS
It usually occurs in the spring and summer and is not contagious. It causes itching in addition to redness and tearing. It is caused by allergies to pollens From plants
BACTERIAL CONJUNCTIVITIS
It is also transmit as viral conjunctivitis.They also have other eye conditions such as dry eyes or inflammation of the eyelids (blepharitis).
CHLAMYDIAL CONJUNCTIVITIS
It is sexually transmitted which often produces symptoms of long duration (>4 weeks)
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