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Endophthalmitis is a severe form of eye infection and inflammation.
Some conditions, such as eye allergies and dry eyes, can produce symptoms similar to eye infections. In cases like this, the correct treatment is very different than what you need for an eye infection. So it’s important to determine if your symptoms have an infectious cause.
Eye infections can lead to redness, pain, discharge, watering and light sensitivity. Unlike allergies, which can cause both eyes to become itchy or watery, eye infections generally affect only one eye.
Your doctor may take a sample from the affected area of your eye for a culture to assess the exact type of infection you have, if any. This may help determine the most effective treatment, such as an antibiotic that selectively targets the type of bacteria causing the infection.
Causes Types of Eye Infections
Examples of eye infections include:
An infection also can affect interior portions of upper and lower eyelids to create a stye or chalazion. When infection invades the eye’s tear glands, inflammatory conditions such as dacryostenosis can result. Infection also can lead to inflammation and blockage of the eye’s tear drainage system and cause dacryocystitis.
Uveitis is inflammation of the eye’s interior structures that can be due to parasites, fungi, bacteria or viruses.
Infection can be an underlying cause of a corneal ulcer, which resembles an abscess on the eye.
And in certain cases, sinus infections (sinusitis) cause symptoms such as eye pain and swelling around the eyes.
Eye Infection Treatments
Fortunately, most common bacterial eye infections clear up, particularly with prompt treatment such as prescription antibiotic eye drops or ointments.
Many common viral eye infections resolve on their own. In cases of severe viral eye infections, an antiviral eye drop may be prescribed. Some viral eye infections require careful administration of steroid eye drops to reduce related inflammation.
Depending on the underlying cause of your eye infection, your doctor also may prescribe antibiotics or antiviral medications that are taken orally.
How To Prevent Eye Infections
Also, be aware that sleeping while wearing contact lenses, even if you wear the new “breathable” silicone hydrogel contact lenses that are FDA-approved for overnight wear, significantly increases your risk of eye infection.
Prevent eye infections by washing your hands before touching your eyes or eyelids and before handling contact lenses.
At home, if any family members have a red eye or a confirmed eye infection, keep their bedding and towels clean, and don’t let them share these items with anyone else. Have them wash their hands often.
And in general, teach children to avoid touching their eyes without washing their hands first.
If you are a contact lens wearer, you should follow safety tips for good hygiene, such as hand washing before you handle your contacts.
If you are near a person with a red eye, avoid contact around your own eye until you wash your hands first. You can minimize the likelihood of catching common bacterial or viral eye infections by using anti-infective sprays and cleansers liberally in public areas such as day care centers and classrooms.
Here are other safety tips that contact lens wearers can follow to help avoid eye infection: