Herpes of the eye (ophthalmic herpes): symptoms, diagnosis, and treatment
Redness, stinging, and sensitivity to light in one eye are easily mistaken for a common irritation, but sometimes this is the onset of ophthalmic herpes. We explain how to recognize ophthalmic herpes, why it is dangerous for the cornea, and why a doctor should select a treatment plan.
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Why does ophthalmic herpes occur?
The disease is caused by a virus that most people have. It can remain dormant for years until a relapse occurs. Let's look at what triggers ophthalmic herpes and who gets it more often.
Who's at risk?
The risk is highest in people with weakened immune systems and those who have previously had herpetic eye infections. The risk is increased by:
- Diabetes
- Taking medications that suppress the immune system
- Wearing contact lenses with poor hygiene
These patients need to be especially vigilant at the first sign of complaints.
The Role of the Herpes Simplex Virus
The main cause of the disease is the herpes simplex virus, the same pathogen that causes cold sores. Once it enters the body, it remains in the nerve nodes forever. It cannot be completely removed, so the goal of treatment is to suppress its activity and protect the eye.
What Triggers Relapses
Relapses are triggered by factors that weaken the immune system. These include:
- Cold
- Hypothermia
- Stress
- Eye injuries
- Prolonged sun exposure
Each relapse increases the risk of complications, so it's important to monitor your triggers.
Symptoms of herpes of the eye
Symptoms of ocular herpes vary and depend on the depth of the lesion. The condition rarely resolves on its own within a couple of days and tends to recur. To avoid missing a break, it's helpful to distinguish between early and warning signs.
Early Signs to Look Out For
Initially, a foreign body sensation, slight redness, and increased sensitivity to light appear. These are followed by tearing and discomfort when blinking. At this stage, a person often thinks they've simply caught a cold or rubbed their eye with a contact lens.
Dangerous symptoms that require you to wait
Severe pain, severe photophobia, and a noticeable decrease in vision should raise concern. A warning sign is a sensation of a veil in front of the eye and clouding of the cornea. These symptoms indicate a deep lesion, making it dangerous to wait.
What can be confused with ocular herpes?
Ocular herpes can easily be confused with allergic or bacterial inflammation, as redness occurs with all three conditions. Even an attentive person can have a hard time distinguishing them at a glance. Therefore, self-diagnosis often leads to mistreatment.
| Symptom | Herpes of the eye | Allergic conjunctivitis | Bacterial inflammation |
|---|---|---|---|
| Pain | Severe | Usually absent | Moderate |
| Photophobia | Severe | Rare | Moderate |
| Discharge | Scanty, mucous | Watery | Purulent |
| Decreased vision | Possible | No | Rare |
| Corneal condition | Clouding, ulceration | Unchanged | Usually unchangeable |
The table shows how herpes inflammation differs from similar diseases. The doctor makes the final conclusion after an examination, as the clinical picture can be mixed.
General information
How does an ophthalmologist diagnose herpes?
Diagnosis of ocular herpes begins with an examination and interview. The doctor evaluates the condition of the cornea and, if necessary, orders tests.
The goal is to confirm the viral nature of the inflammation and rule out similar diseases.
Examination and collection of complaints
During the appointment, the ophthalmologist asks how long the complaints have been present, whether there have been similar episodes before, and what preceded them. Then, the ophthalmologist examines the eye under a slit lamp with magnification. Characteristic changes in the cornea can provide significant clues to the diagnosis.
What tests may the doctor prescribe?
For confirmation, the cornea is stained with a special dye that reveals epithelial defects. If the diagnosis is unclear, a sample is taken for laboratory analysis for the virus. Additionally, visual acuity and corneal sensitivity are checked.
Why it's important not to delay diagnosis
The longer the virus is active, the deeper the cornea is damaged. Untreated keratitis leaves a cloudy appearance that impairs vision for a long time. Early diagnosis of ocular herpes allows treatment to begin while the changes are still reversible.
Frequently Asked Questions
What is ocular herpes?
What's dangerous about ocular herpes?
Can ocular herpes be treated at home?
When should you urgently see an ophthalmologist?
Conclusion and appointment for consultation
We confirm the diagnosis, select antiviral therapy, and monitor the patient until recovery. If relapses are likely, we explain how to reduce their frequency. The entire process, from examination to follow-up, takes place in one center.
Why it's important not to delay your visit
An early consultation with an ophthalmologist helps preserve corneal transparency and vision. Schedule an appointment at the first sign of eye inflammation, especially if it has returned.
At "K+31," the consultation is sequential: the ophthalmologist examines the eye, assesses the condition of the cornea, clarifies the cause of the inflammation, and explains further steps in understandable language. If there are signs of a viral infection, the doctor prescribes treatment and schedules follow-up examinations. Making an appointment will help you save time and begin treatment when it is most needed.
References
- https://cr.minzdrav.gov.ru/ — The official registry of clinical guidelines of the Russian Ministry of Health.
- https://cyberleninka.ru/ — Scientific publications in Russian.
- https://www.rmj.ru/ — Russian Medical Journal.
- https://www.mediasphera.ru/ — Medical publishing portal.
- https://www.mediasphera.ru/journals/vestnik-oftalmologii — Vestnik oftalmologii
- https://www.eyepress.ru/ — Russian-language ophthalmology portal
- https://www.vidal.ru/ — Russian-language drug reference book for checking terms and active ingredients
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What is herpes of the eye?
Ocular herpes is a viral infection of the eye tissue, most often affecting the cornea. The disease causes redness, tearing, and discomfort, and without treatment, it affects vision. Understanding how the virus behaves helps identify it early.
How the virus affects the eye
The virus penetrates the nerve endings and remains dormant in the body for a long time. When the body's defenses are weakened, it is activated and travels along the nerve fibers to the eye. The most common target is the cornea—the transparent anterior layer of the eye that controls visual acuity.
What are the different types of ocular herpes?
Manifestations depend on the affected areas. Superficial lesions lead to herpetic keratitis, which causes corneal epithelial defects. The virus can affect the conjunctiva, eyelids, and, in severe cases, the deep layers of the cornea and choroid.
The severity and treatment options depend on the type of keratitis. Superficial keratitis usually responds more quickly to therapy, while deep inflammation requires long-term medical observation.