Corneal ulcer

Corneal ulcer's disease overview

What is

corneal ulcer ? The corneal ulcer (also known as the corneal ulcer) is the condition of the cornea scratched and infected by many different causes. The corneal ulcer causes the corneal tissue to destroy the cornea organizations that are necrotic, lesions that make up one or more ulcers. This is a common disease, leaving very dangerous consequences, if not treated promptly, it can leave sequelae such as corneal scars, atrophy, and vision loss can even lead to blindness. .

Causes of Corneal ulcer's disease

The causes of corneal ulcer include:

  • Infection with bacteria such as staphylococcus, streptococcus, pneumococcal, pus bacillus, ...
  • Infection of Herpes Simplex virus. This virus causes corneal ulcer recurring, especially when the body is stressed, fatigue, immunodeficiency. In addition, the Varicella virus that causes water can cause corneal ulcer.

    • Infection of mushrooms such as Aspergllus, Fusarium, Cephalosporum, ..

  • Acanthanmoba parasitic infection: This is a very small type of parasite, in water and soil. This parasite often causes heavy corneal ulcer in contact lenses.
  • Complications from diseases such as trachoma, dry eyes, steak, hairy hair, ...
  • Bell paralysis or eyelid abnormalities that affect the eyelid protection function, causing dry eyes can lead to corneal ulcer.
  • Vitamin A deficiency
  • Damage to the nerves that dominate the eye area: Digital nerve VII (MI), Nervous V
  • The eyes are injured to damage the cornea: the eyes are shot by the objects, the branches are swiped in, ...
  • Eye treatment of anti -scientific methods such as applying cigarettes to the eyes.
  • Use contact lenses not sterilized properly, wash water and soaked non -dedicated glass.
  • arbitrarily use eye drops containing corticosteroids without examining, instructions of the doctor

    • Symptoms of Corneal ulcer's disease

    corneal ulcer causes the following symptoms:

  • Patients with difficulty opening eyes, swollen eyelashes, showing signs of lashes.
  • Feeling uncomfortable, eye strain, burning eyes, dull aches and pains, feeling like there is an object in the eyes.
  • Watery face, red eyes, blurred vision, pus from the eyes.
  • The cornea loses the gloss, becomes rugged, opaque due to infection of inflammatory cells, the appearance of spots (or an entire area) white or gray on the cornea, usually In the central area.
  • Deep conjunctiva blood vessels in the cornea. There may be one or more ulcers, oval or round ulcers, may be small or wide of the cornea.

    • Transmission route of Corneal ulcer's diseaseCorneal ulcer

    contagious corneal ulcer ? Corneal ulcers are an infectious disease that can be spread when the patient rubs the eyes, bacteria, viruses, and fungi that will follow the patient's hands in contact with others or the surrounding objects. The risk of infection will increase if they share a face towel, towel with the eye. Therefore, it is advisable to use a separate towel, regularly wash your hands clean, especially after contact with patients. The disease is not transmitted through the gastrointestinal or respiratory tract.

    People at risk for Corneal ulcer's disease

    Sampling ulcer c is a common disease that can occur at anyone of any age. High -risk subjects include:

  • Lens users
  • People with poor diet, vitamin A deficiency
  • Workers in environments with lots of smoke, dust, foreign objects such as labor sites, wood workshops, welding facilities, electricity, ...
  • People living in poor hygiene environment, water sources are not guaranteed
  • People who rub their eyes, have no habit of washing their hands before touching their eyes

    • Prevention of Corneal ulcer's disease

    To reduce the risk of corneal ulcer, note the following points:

  • If the diet is incomplete, should add vitamin A to reduce dry eyes.
  • When working, especially labor in dusty environments, occupations such as welders, lathes, carpenters, ... need to use protective glass to protect the eyes .
  • When you go out, you should wear sunglasses to limit eye contact with ultraviolet rays.
  • No eye -catching, when the eye has strange objects invading, should go to health facilities for handling.
  • Wash your hands clean before touching your eyes.
  • Fotal treatment of eye diseases at risk of corneal ulcer,
  • When wearing contact lenses, must be hygienic properly, clean, disinfect the glass before and after wearing. Do not wear contact lenses when sleeping. When wearing, there is a phenomenon, pieces or pain, it is necessary to immediately remove and go to the medical facility to check.

    • Diagnostic measures for Corneal ulcer's disease

    The doctor will Cive Ulcerative Diagnosis Based on clinical symptoms, which can be combined with the following methods:

  • Fluorescein dyeing: The doctor will put the orange -colored Flourescein dye on a thin piece of paper, then gently place this piece of paper in the patient's eyes so that the dye penetrates into the eyes. Next, the doctor will use the blue light slot light into the patient's eyes, if the cornea is damaged, it will change to blue when the light is on.
  • Sampling from the ulcer for testing: After detecting a corneal ulcer, the doctor will use anesthetic for the eye area and then shave a small part of the ulcer as a sample of the disease. Tested to determine the cause of the disease.

    • Corneal ulcer's disease treatments

    Corneal ulcer treatment includes medical treatment and surgical treatment.

    How long does the cornea ulcer be recovered? Depending on the condition of severe or mild disease, the cause of corneal ulcer and the treatment of each patient, the disease may be fast or long.Medical treatment:

    Following the general principle is to combine the use of drugs to treat the cause and drugs that reduce symptoms.

    Medications for treatment:

  • If the corneal ulcer is caused by bacteria: If antibiotic can be used, use antibiotics according to antibiotics, otherwise use broad -spectrum antibiotics. 
  • If the corneal ulcer is caused by viruses: Use specific antiviral drugs prescribed by a doctor

    • If the corneal ulcer is caused by fungus: Use specific antifungal drugs prescribed by the doctor Surgical treatment:

    If the corneal ulcer progresses severe, the medical treatment has no results, doctors may consider surgical methods:

  • Surgery to remove eyeball, intraocular scales
  • corneal transplant: surgery removes cornea and replaced with the corneal of the donor.

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