November 17, 2023

Apollo is a common eye infection caused by inflammation of the conjunctiva and eyelid tissues. It can be caused by various sources, including allergens, irritants, bacteria, and viruses associated with the common cold or COVID-19. Treatment strategies vary based on the underlying cause and may involve eye drops, ointments, pills, water flushes, and comfort care for relief.

What is Apollo Eye Infection?

Apollo, also known as conjunctivitis, pink eye, or sore eye, is an inflammation of the transparent membrane that lines the eyelid and eyeball, the conjunctiva. When the small blood vessels in the conjunctiva swell and irritate, they become more visible, causing the whites of the eyes to appear reddish or pink.

Apollo is most often caused by a viral infection, a bacterial infection, an allergic reaction, or — in babies — an incompletely opened tear duct. Though it can be irritating, it rarely affects vision. Treatments can help ease the discomfort. Viral and bacterial infections can be contagious, so getting an early diagnosis and taking certain precautions can help limit their spread.

Symptoms of Apollo Eye Infection
The most common pink eye symptoms include:

  • Redness in one or both eyes.
  • Itchiness in one or both eyes.
  • A gritty feeling in one or both eyes.
  • A thick yellow discharge in one or both eyes forms a crust during the night that may prevent your eye or eyes from opening in the morning.
  • Increased tearing.
  • Sensitivity to light (photophobia)
  • Burning eyes
  • Blurred vision
  • Swollen eyelids

What are the Causes of Apollo?

The pink or reddish color occurs due to inflammation of the blood vessels in the conjunctiva, the membrane covering the eye, making them more visible. Some of the leading causes of inflammation include:

  • Viruses
  • Bacteria
  • Allergens

Other causes include:

  • Chemicals
  • Contact lens wear
  • Foreign object in the eye (like a loose eyelash)
  • Fungi, ameba, and parasites
  • In newborns, a blocked tear duct.

Viral and Bacterial Infection

Apollo can be caused by viral or bacterial infection. Adenovirus is the primary cause of viral infection. However, other viruses, including Staphylococcus aureus, Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis, or, less commonly, Chlamydia trachomatis and Neisseria gonorrhea herpes simplex virus and varicella-zoster virus, can be responsible for bacterial infection.

Viral and bacterial infection may occur along with colds or respiratory infection symptoms, such as a sore throat. Improperly cleaned contact lenses or using lenses not belonging to the wearer can lead to bacterial conjunctivitis.

Both types of infection are highly contagious and can be transmitted through direct or indirect contact with the discharge from the infected person’s eyes. The disease may affect one or both eyes.

Allergic Infection

Allergic infection impacts both eyes and results from exposure to allergens such as pollen from trees, plants, grasses, and weeds; dust mites; molds; dander from pets; medicines; or cosmetics. In response to these allergens, your body generates an immunoglobulin E (IgE) antibody. IgE then activates specialized cells in the mucous lining of your eyes and airways, causing the release of inflammatory substances, including histamines. The release of histamine by your body can lead to various allergy symptoms, including red or pink eyes.

People with allergic conjunctivitis often experience eye problems, such as intense itching, tearing, eye inflammation, sneezing, and runny nose. It occurs seasonally when allergens such as pollen are at their highest. Allergy eye drops are typically effective in managing most cases of allergic conjunctivitis. It’s important to note that allergic conjunctivitis is not contagious.

Allergic infection occurs more frequently among people with other allergic conditions, such as hay fever, asthma, and eczema.

Infection Resulting from Irritation

Apollo eye infection can be linked to irritation from a chemical splash or a foreign object in the eye. Occasionally, flushing and cleaning the eye to remove the chemical or object can induce redness and irritation. Symptoms, including watery eyes and mucous discharge, typically resolve on their own within approximately one day.

If flushing fails to alleviate the symptoms or the chemical involved is caustic, such as lye, it is crucial to seek prompt medical attention from your healthcare provider or an eye specialist. A chemical splash into the eye can lead to permanent eye damage. Persistent symptoms may suggest the presence of a foreign body in the eye or could indicate a scratch on the cornea or the conjunctiva, the membrane covering the eyeball.

How to Prevent Apollo Eye Infection?

Practice good hygiene to control the spread of Apollo eye infection. For instance:

  • Avoid touching eyes
  • Wash your hands regularly
  • Use a clean towel and washcloth daily
  • Avoid sharing towels or washcloths
  • Change your pillowcases frequently
  • Dispose of old eye cosmetics, including mascara.
  • Refrain from sharing eye cosmetics or personal eye care items.


Apollo eye infection usually isn’t a severe condition. It’s highly treatable and preventable. Commonly, it often resolves on its own without any eye treatment. The key is to take preventive measures to avoid spreading it to others or experiencing a recurrence. Should you have any questions or concerns, it’s advisable to contact your healthcare provider.

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