Bacterial Keratitis (Eye Infection From Contact Lenses) | Causes, Symptoms, Diagnosis, Treatment

What is bacterial keratitis?

Bacterial keratitis is an infection of the cornea, the clear front surface of the eye, caused by bacteria. It can lead to pain, redness, reduced vision, and in severe cases, blindness.

What causes bacterial keratitis?

It’s often caused by bacteria entering the cornea due to eye injury, wearing contact lenses (especially overnight), or a weakened immune system. Common bacteria include Staphylococcus and Pseudomonas species.

What are the symptoms of bacterial keratitis?

Symptoms include eye pain, redness, blurred vision, sensitivity to light, excessive tearing, and the feeling of something in the eye. Discharge from the eye may also occur.

How is bacterial keratitis diagnosed?

Diagnosis typically involves a thorough eye examination and may include taking a sample of the corneal tissue or discharge to identify the specific bacteria causing the infection.

What are the treatment options for bacterial keratitis?

Treatment generally involves antibiotic eye drops or ointments. The specific antibiotics used depend on the severity of the infection and the type of bacteria suspected or identified.

Can bacterial keratitis lead to complications?

If not treated promptly and effectively, it can lead to serious complications, including corneal scarring, vision loss, and in extreme cases, perforation of the cornea and loss of the eye.

How can bacterial keratitis be prevented?

Preventive measures include proper hygiene with handling contact lenses, avoiding wearing contacts overnight, protecting eyes from injury, and seeking prompt medical attention for any eye injuries or symptoms of infection.

This disease can be caused by various types of bacteria, including Staphylococcus aureus, Streptococcus pneumoniae, Pseudomonas aeruginosa, and others. The bacteria usually enter the cornea through small injuries, contact lens wear, or poor hygiene.

Common symptoms of bacterial keratitis include eye redness, pain, light sensitivity, blurred vision, excessive tearing, and discharge from the eye. If left untreated, the infection can lead to corneal ulcers, scarring, and even vision loss.

Diagnosis of bacterial keratitis involves a thorough eye examination, including visual acuity tests, slit-lamp examination, and laboratory analysis of eye samples. Treatment typically involves the use of antibiotic eye drops or ointments to eliminate the bacterial infection. In severe cases, oral antibiotics or other medications may be prescribed.

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To prevent bacterial keratitis, it is important to maintain good eye hygiene, especially for contact lens wearers. This includes proper lens cleaning and storage, avoiding water exposure while wearing lenses, and regular replacement of contact lenses and lens cases.

If you experience any symptoms of bacterial keratitis, it is crucial to seek medical attention promptly. Early diagnosis and treatment can help prevent complications and minimize the risk of long-term damage to the eye.

Bacterial Keratitis Causes

Name of Disease: Bacterial Keratitis
Causes:
- Bacterial infection – caused by various bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, Pseudomonas aeruginosa, etc.
- Contaminated contact lenses or contact lens solution
- Corneal trauma or injury
- Poor hygiene practices
- Improper use and care of contact lenses
- Foreign objects or contaminants in the eye
- Weakened immune system