Conjunctivitis, known as pink eye, occurs when the conjunctiva (the white part of the eyeball and inner eyelid) is irritated by an infection or allergies. Conjunctivitis is highly contagious and can b caused by several different types of virus and bacteria. It can occur with colds or symptoms of a respiratory infection, such as a sore throat. Wearing contact lenses that aren’t clean properly, or aren’t your own,  can cause bacterial conjunctivitis. 

People often refer to conjunctivitis as a red eye. Other symptoms of conjunctivitis include itchiness and watering of eyes, and something a sticky coating on the eyelashes (if it’s caused by an allergy).  Conjunctivitis can affect of eye first, but usually affects both eyes after a few hours. 

Definition of conjunctivitis: 

Pink eye ( conjunctivitis) is an inflammation or infection of the transparent membrane ( conjunctiva) that lines your eyelid and covers the white part of your eye ball. When small blood vessels in the  conjunctiva become inflamed, they are not more visible. 

When you have pink eye, blood vessels in your conjunctivitis become inflamed this gives eye the color  pink or red that’s commonly associated with conjunctivitis. 

Types of conjunctivitis:

There are some types of conjunctivitis: 

  • Viral Conjunctivitis 
  • Bacterial Conjunctivitis 
  • Allergic Conjunctivitis 

Viral Conjunctivitis: 

Viral conjunctivitis is the most common type of conjunctivitis. This type of pink eye is very contagious and  often spread through schools and other crowded places. It’s usually causes burning, and red eye with a watery discharge. Viral conjunctivitis is usually caused by the same virus that causes a running nose and sore throat in people with the common cold. 

Bacterial Conjunctivitis: 

Bacterial Conjunctivitis is also very contagious. An infection from bacteria causes this form of pink eyes. With bacterial Conjunctivitis, you have sore, red eyes with a lot of sticky pus in the eyes. Some bacterial infections, however, may cause little or no discharge. Sometimes the bacteria that cause pink eye are the same that cause strep throat.

Allergic Conjunctivitis: 

Allergic Conjunctivitis is a type of pink eyes that comes from an allergic reaction to pollen, animals,  cigarettes smoke, pool chlorine, car fumes or something else in the environment. It is not contagious.  The allergic pink eye makes your eyes very itchy , red and watery , and the eyelid may get puffy.

How does conjunctivitis spread; 

Conjunctivitis, also known as pink eye occurs when the conjunctiva ( the white part of the eyeball and the  inner eyelid) is irritated by an infection or allergies. Conjunctivitis is highly contagious and can be caused by several different types of viruses and bacteria . Conjunctivitis is most often spread through direct contact with the eye by hands or objects that are contaminated with bacteria or virus. It can also spread via respiratory tract droplets. Allergic Conjunctivitis is not contagious. 

A contagious form of the pink eye ; 

Bacterial and viral conjunctivitis can be quite contagious. The most common ways to get the contagious  form of pink eye include:  

  • Direct contact with an infected person’s bodily fluids, usually through hand-to-eye contact. Spread of the infection by the bacteria living in the person’s own nose and sinuses. Not cleaning contact lens properly. Using poorly fitting contact lenses or decorative contacts are risk as well. 

Children are the people most likely to get pink eye from bacteria and virus. This is because they  are in close contact with so many others in schools or day care centers. Also , they do not  practice good hygiene 

Symptoms of Conjunctivitis: 

 Different types of pink eyes can come with slightly different symptoms, but in general, it’s important to  talk with a doctor if you to experience: 

  • Pink or red toned eyes 
  • A gritty feelings in your eyes 
  • Watery or thick discharge that builds up on your eyes at night 
  • Itchiness in your eyes  
  • Abnormal amount of tears 
  • The feeling that something in your eyes , or a girrty sensation in your eyes 
  • Red eyes 
  • Burning eyes 
  • Itchy eyes 
  • Painful eyes 
  • Watery eyes  
  • Puffy eyes 
  • Blurry or hazy vision  
  • Being extra sensitive to light  
  • Lots of mucus, pus, or thick yellow discharge from your eye there can be so much that your  eyelashes stick together


Treatment of conjunctivitis: 

Treating your pink eye usually depends on the type of conjunctivitis you have. 

  • If your conjunctivitis is caused by the viral infection, there are no specific treatments. Your body flights the virus own it’s on. Placing a cool , wet washcloths on your eyes can help make them feel more comfortable. 
  • If your pink eye caused by the bacterial virus, your ophthalmologist may prescribe antibiotics eyes drops , depending on how sever your symptoms are. Antibiotics do not  treat an infection caused by the virus and allergies. 
  • If your conjunctivitis due to allergies, you told to use certain eyes drops to help with the  itchiness and puffiness 
  • Sometimes conjunctivitis can caused by chemical or other substances in your eyes. In  this case, Rinse the eye free of substances. You might to b told to use drops or ointment  for eyes.

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