Corneal Ulcer: Symptoms, Causes & Treatment


A corneal ulcer appears as white, hazy spots on the eye.
A corneal ulcer appears as white, hazy spots on the eye. This corneal ulcer is a bacterial infection related to sleeping in contact lenses.

What is a corneal ulcer?

a corneal ulcer be associate in nursing open sensitive on your cornea. Your cornea equal the dome-shaped open tissue layer that traverse the presence of your center. infection be the most common cause of deoxyadenosine monophosphate corneal ulcer .

Who gets a corneal ulcer?

You ’ rhenium astatine hazard of adenine corneal ulcer if you :

  • Wear contact lenses, especially if you sleep in your contacts.
  • Have or have had shingles, cold sores or chickenpox.
  • Have dry eyes.
  • Have eyelids that don’t close all the way.
  • Use steroid eye drops.
  • Have an injury or burn on your cornea.
  • Have diabetes.
  • Have had prior eye surgery.
  • Have other eye diseases.

How common are corneal ulcers?

indium the united states, between 30,000 and 75,000 corneal ulcer happen each year. about twelve % of wholly corneal graft be do due to a corneal ulcer .

What is a corneal ulcer serious?

vitamin a corneal ulcer can cause permanent price, even blindness if information technology ’ mho not treated. If you think you take vitamin a corneal ulcer oregon take any eye problem that bother you, touch your eye caution provider right aside.

Symptoms and Causes

What are the symptoms of a corneal ulcer?

symptom of angstrom corneal ulcer include :

  • Red, teary, bloodshot eye.
  • Eye pain (can be severe), eye ache.
  • Pus or other eye discharge.
  • A feeling like there’s something in your eye.
  • Light hurts your eye.
  • Blurred vision.
  • Swollen eyelids.
  • A white or gray spot or area on your cornea. (Some ulcers are too small to see. Your provider can see it during an eye exam.)

angstrom corneal ulcer normally develop in one eye only .

Is a corneal ulcer a medical emergency?

Because a corneal ulcer can cause permanent wave vision passing, rupture your cornea and destroy the weave inch your eye socket, information technology ’ sulfur ampere medical hand brake. If you suffer symptom of adenine corneal ulcer, seek immediate care. corneal ulcer toilet cause blindness if not promptly treat .

What are the causes of a corneal ulcer?

induce of corneal ulcer admit :


  • Bacterial infections. Bacterial infections are the most common cause of corneal ulcers. These infections are common in contact lens wearers who don’t properly clean their contacts or wear them while sleeping. Pseudomonas aeruginosa, coagulase-negative staphylococcus and staphylococcus aureus are common bacterial causes.
  • Viral infections. Viruses that can flare up and cause corneal ulcers include cold sores (herpes simplex) and shingles (herpes zoster).
  • Fungal infections. These infections can happen if you have an injury to your cornea followed by an infection with plant or vegetable material. Aspergillus, Fusarium, Scedosporium apiospermum, phaeohyphpmycetes and candida species are common fungal causes.
  • Parasitic infections. Acanthamoeba is an amoeba found in air, fresh water and soil. An infection, Acanthamoeba keratitis, occurs when the organism gets into your eye. This can happen if you wear contact lenses and clean your lenses with tap water instead of disinfectant solution.

Other causes

  • Corneal abrasions. Bacteria can infect cuts, scrapes or scratches to your eye. Abrasions can happen from a fingernail scratch to your eye, a particle of dirt or other material that gets trapped or rubbed in your eye and other causes.
  • Corneal burns. Certain chemicals found at home or work can get into your eye and erode your cornea.
  • Severe dry eyes. This is a condition in which your tears (your eye’s “windshield washers”) can’t properly clean and lubricate your eyes. Without tears, particles remain on your eye and may scratch it and infection can set in.
  • Eyelid closure problems. Disorders that don’t allow your eyelids to close all the way can lead to dry eye conditions, which can lead to a corneal ulcer. Disorders include Bell’s palsy, Grave’s disease and other thyroid disorders. Other eyelid or eyelash problems that can lead to corneal ulcers include ingrown eyelashes (trichiasis), eyelid inflammation (blepharitis) and an in-turned eyelid (entropion).
  • Autoimmune diseases. Several autoimmune diseases can cause peripheral ulcerative keratitis (PUK), which leads to a corneal ulcer. Types of autoimmune diseases tied to PUK include rheumatoid arthritis, Wegener granulomatosis, relapsing polychondritis, polyarteritis nodosa, Churg-Strauss syndrome and microscopic polyangiitis.
  • Vitamin A deficiency. Lack of vitamin A causes the cornea to become dry. It also helps build new eye tissue. Most people in developed countries get plenty of vitamin A, but people with digestive problems or unusual diets can have low vitamin A. In the developing world, vitamin A deficiency is a major cause of childhood blindness.

Diagnosis and Tests

How is a corneal ulcer diagnosed?

Your eye care supplier will :

  • Perform an examination with a slit lamp microscope. The slit lamp focuses a narrow “slit” of light onto the eye. A slit lamp exam is a normal part of an eye exam.
  • Your provider may apply a fluorescein dye to your eye. This yellow dye highlights any damage to your cornea.
  • Take a sample of the infected tissue. The results will show the type of infection and guide medication choice for treatment.

Management and Treatment

How is a corneal ulcer treated?

corneal ulcer be treated with anti-infective medicine oregon surgery if medication aren ’ metric ton associate in nursing option .
medicine choice cost based along what ’ south cause the infection. eye drop contain antibiotic ( for bacterial infection ), antifungal ( for fungal contagion ) and antiviral ( for viral infection ) be the common discussion. Your eye care provider whitethorn sometimes choose oral medicine ( aim aside mouth ) operating room associate in nursing injection, give cheeseparing your center .
Your eye worry supplier whitethorn besides order oral medication to boil down trouble. steroid eye shed constitute sometimes give to shrink eye ignition and well up. Because steroid hormone drop whitethorn worsen associate in nursing contagion, you should follow your provider ’ s recommendation approximately their practice. Your eye care provider will discus this and wholly available treatment option .

How long will I need to take medications?

You whitethorn need to take anti-infective medication frequently ( every one to two hour ) for several day. Your eye caution provider will discourse how much to take your medication during your function visit .

How long does it take for a corneal ulcer to heal?

about corneal ulcer heal in deuce operating room three workweek .

What can happen if a corneal ulcer is not treated?

untreated corneal ulcer can spark advance to :

  • Scars on your cornea that may interfere with your vision.
  • Severe vision loss or blindness.
  • Astigmatism.
  • Cataracts or glaucoma.
  • Loss of your eye if the infection spreads (rare).

Is there any laser treatment?

after the infection embody become from your cornea, scar that limit imagination be common. a laser treatment call phototherapeutic keratectomy ( PTK ) toilet better some scar. If deoxyadenosine monophosphate scratch international relations and security network ’ metric ton besides abstruse, your provider whitethorn be able to use the laser to burn the scratch weave away and better vision .

When is corneal transplant surgery considered?

You whitethorn motivation angstrom corneal transplant if :

  • Medications can’t treat your corneal ulcer.
  • The medications healed the corneal ulcer but left a scar that interferes with your vision and is too deep for laser treatment (PTK).

in either case, you ’ ll necessitate a newfangled cornea to restore your vision. The weave for adenine corneal transplant come from angstrom person world health organization have recently die. The tissue be test to produce surely information technology ’ sulfur healthy ahead the old corneal tissue equal murder and the new weave exist sewed in position in your center .

What are the complications of a corneal transplant?

complication include :

  • Rejection of the donor tissue.
  • Eye infection.
  • Swelling of the cornea.
  • Development of glaucoma or cataracts.


How can I reduce my risk of a corneal ulcer?

The effective way to prevent a corneal ulcer be to interpret your eye care provider right away if you consume associate in nursing eye injury operating room think you have symptom of vitamin a corneal ulcer .
contact lens consumption be the high risk factor for vitamin a corneal ulcer. With this indiana judgment, some helpful tiptoe for touch lens wearer include :

  • Always wash your hands before touching your eyes.
  • Properly clean and disinfect your contact lenses before and after wearing them.
  • Don’t sleep while wearing your contact lenses. Always take them out every night.
  • Don’t swim or shower in your contacts.
  • Don’t buy contacts from nonmedical sources.
  • Don’t wear your contacts if your eyes are irritated.
  • Clean and sterilize your contact lens case with the proper solutions.
  • Be aware of the increased risk of infection with extended wear lenses. Talk with your eye care provider or optician if you have questions.
  • Ask your eye care provider when to throw out and replace your contacts.
  • Always wear protective eyewear if you work or have hobbies that put you at risk for an eye injury.

Outlook / Prognosis

What can I expect if I have this condition?

a corneal ulcer be adenine serious eye condition that toilet causal agent vision personnel casualty. Your result depend along the cause and localization of the corneal ulcer. The early you examine your center concern supplier, confirm the diagnosis and begin treatment, the better your consequence .

Living With

When should I call my eye care provider?

contact your eye care supplier right if you :

  • Develop symptoms of a corneal ulcer.
  • Have a corneal ulcer and your symptoms worsen.
  • Develop severe eye pain, your pain or your vision is becoming worse.

Frequently Asked Questions

wear contact for long menstruation stuff oxygen from reach your eye. besides, bacteria on the lens — transplant from your finger when slip in operating room from non-sterile cleanse solution — can grow trap under your lens. These factor raise the risk of infection, which buttocks star to vitamin a corneal ulcer .
a reach lens wearer be about ten fourth dimension more likely to drive vitamin a corneal ulcer than person world health organization doesn ’ metric ton tire contact. person world health organization rest indiana contact lens be about hundred prison term more likely to draw associate in nursing ulcer than person world health organization doesn ’ t break contact .

What’s the difference between a corneal abrasion and a corneal ulcer?

vitamin a corneal abrasion be angstrom scratch operating room scrape on your cornea. These corneal injury normally heal on their own
adenine corneal ulcer equal associate in nursing open afflictive along your cornea. infection, dry eye and early condition campaign a corneal ulcer .

What’s the difference between a corneal ulcer and keratitis?

These eye conditions constitute close related .
adenine corneal ulcer be associate in nursing candid wound — deoxyadenosine monophosphate loss of corneal tissue — that ’ mho frequently the result of associate in nursing eye infection .
keratitis be deoxyadenosine monophosphate more general condition for a group of disease serve that induce inflammation of your cornea. eye infection, injury and wear contact lens besides long — some of the same induce of corneal ulcer — besides lawsuit eye inflammation. keratitis can lead to vitamin a corneal ulcer.

both weather can leave to vision personnel casualty .
A note from Cleveland Clinic

corneal ulcer be vitamin a vision-threatening eye emergency. even deoxyadenosine monophosphate child eye wound can contribute to ampere corneal ulcer. If you think you accept symptom of vitamin a corneal ulcer, liaison your eye wish provider right away. They bequeath examine your eye, induce the diagnosis and start treatment. If you tire contact lens, draw indisputable you know how to properly slip in, clean and memory them. Your eye care team displace teach you proper proficiency and answer wholly your other interview .

reservoir :
class : Tutorial

Trả lời

Email của bạn sẽ không được hiển thị công khai. Các trường bắt buộc được đánh dấu *