Keratitis: causes, symptoms, treatments

Keratitis: causes, symptoms, treatments

Keratitis is an infection of the cornea, the outer membrane covering the eye. This eye infection is usually linked to wearing contact lenses. However, an impact received at the level of the eye can also lead to such an infection.

Definition of keratitis

The eye can often be damaged by objects, dust, and the like. The cornea, the membrane covering the eye, can then be damaged or even infected.

An infection, by a bacterium or by a fungus, can also be the cause of contamination of the cornea. In this context, pain and inflammation of the eye, and particularly of the cornea, can develop keratitis.

This type of infection can cause, in particular, a reduction in the field of vision, a vision which becomes blurred, or the cornea which erodes.

Corneal infections can also leave scarring on the skin. the eye, impacting the visual quality of the person and may go as far as requiring a corneal transplant.

This corneal infection can be treated with anti-bacterial drops as a first step. If the infection is more severe, more antibiotic therapy or anti-fungal treatment may be prescribed to eliminate the infection.

The causes of keratitis

Keratitis, an infection of the cornea, is usually linked to wearing contact lenses. The infection is then due to neglected or poorly adapted lens hygiene, or even to wearing lenses at night.

In rarer cases, this infection can be the consequence of scratches, or objects received in the eye.

A worsening of the infection may also be visible, if it is not treated accordingly. The vision can then be impacted, even leave visible traces, such as scars.

Symptoms of keratitis

The clinical signs and general symptoms relating to keratitis are:

  • pain in the eye
  • redness in the eye
  • sensitivity to light
  • tearing for no reason
  • troubled vision.

At first, it will be a gene felt in the eye. The pain will then become more and more intense, a consequence of the development of an ulcer on the surface of the cornea. This ulcer can sometimes be visible. Indeed, it can be likened to a small white button, developing at the level of the iris of the eye.

Risk factors for keratitis

The main factor, linked to the development of keratitis, is the wearing of contact lenses, and more particularly when the associated hygiene is not complete.

Other risk factors may however be related, and particularly when objects are thrown at eye level.

How to treat keratitis?

The prescription of antibiotics, in the form of drops or eye drops, is the flagship treatment for keratitis. The frequency of the catches is consequent, on the beginning of the infection, sometimes going up to every hour and even during the night.

When the ulcer is visible as well as its reduction, the frequency of taking this antibiotic is then lower. As part of a non-reduction in symptoms, after a few days, another antibiotic may be prescribed.

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