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Why are my eyes itchy?


Itchy eyes? It is very unpleasant. Constant itching prevents you from concentrating on anything and makes you touch or rub your eyes. And meanwhile, there is a high risk of infection, especially if you touch your eyelids with unwashed hands. If you are bothered by itching for several days, you should consult a specialist.

Why does the right or left eye itch? Are your eyelids itchy and swollen? It is important to understand this question, then it will be clear how to deal with it.

Causes of itchy eyes

The sources that cause itchy eyes can be very many – from trivial dust to a serious ophthalmic disease. The main causes of discomfort are:

Prolonged work at the computer. High strain on the vision causes dry eyes. Lack of moisture on the cornea leads to inflammation, which is felt as pain and itching in the eyes.

Inflammatory diseases – conjunctivitis, blepharitis, barley and others. With such pathologies, the nerve receptors of the eyes are irritated, so itching occurs.
Parasitic skin diseases, such as demodex. Itching is caused by a mite that multiplies in the ciliary follicles.

Trichiasis is abnormal growth of the eyelashes. They bend in the direction of the eyes, scratch the conjunctiva and cause discomfort.

Allergic reactions. Eyes become itchy and watery, eyelids swell up and redness occurs. A strong reaction may cause nasal congestion and transparent nasal discharge.

Foreign body. A cilia or other small particle in the eye may cause itching.

External conditions – a response to dust, smoke or chemicals.

Chronic fatigue. Lack of sleep and irregular strain lead to a disturbance of tear production and increased intraocular pressure. This results in pain, dryness and itching in the eyes.

Discomfort also develops due to general diseases of the body. For example, itching in the eyes appears because of diabetes. When this occurs, blood vessels deteriorate and the eyes do not receive enough oxygen, there are interruptions in hydration. Dry eyes develop with all the ensuing symptoms – redness, pain and itching.

By the way, dry eye syndrome also occurs with age. The pathology develops due to a lack of production of fatty secretion, which protects the cornea from moisture loss. It is therefore important to visit an ophthalmologist every year to detect imminent problems with the eyes.

What else causes itchy eyes?

Improperly fitting glasses or contact lenses.

Corrective eyeglasses are an accessory made to fit your individual vision. But even perfectly fitting glasses need to be replaced over time. Usually this happens when the quality of the lenses deteriorates or when there is a change in vision indicators. Itchy eyes, the desire to scratch your eyelids are some of the signals that it is time to visit a specialist.

And if you wear ready-made glasses from the store shelf, the risk of acquiring eye problems increases. Refuse to buy such a product. At the optician, you can have your glasses made to order according to individual parameters at a minimum cost. But they will exactly match your measurements, and you will avoid problems with your eyesight.

Contact lenses can also cause itchy eyes. This is usually due to improper self-selection and failure to care for them.

Why do contact lenses make my eyes itch? Here are the reasons:

  • You wear the product with the wrong radius of curvature: the lenses do not fit the eye tightly, shift, rub the mucosa and cause itching and painful sensations;
  • Your moisture level is not right, causing your eyes to dry out and become inflamed;
  • You don't follow the regimen – lenses should not be worn longer than the time specified by the manufacturer;
  • You store and clean your lenses improperly – they deform and damage your cornea, causing itching and pain.

You can always consult a lens specialist about your lenses and make an appointment for a new one.

Symptoms

Patients describe the sensation of itchy eyes in different ways:

  • The eye is itchy and watery;
  • Itchy and swollen eyelid;
  • Itching and redness;
  • Itching in the corners of the eyes;
  • Itching and pain;
  • Itchy and flaky skin around the eyes.

Many conditions overlap in symptoms or have several at once, so a doctor should be consulted to determine the cause of itchy eyes.

Diagnosis

Since itchy eyes are caused by different diseases, a specialist uses several diagnostic methods.

Biomicroscopy helps to detect inflammatory diseases of the eye and examine lesions: the condition of the eyelids, conjunctiva, cornea and other parts of the eye are evaluated.

Assessment of visual acuity is always performed. With the help of special tests the doctor determines refraction (optical power of the eye) and accommodation (the ability of the eye to see objects clearly at different distances). He also checks binocular vision and color perception.

If you wear glasses, the doctor will check the correct type of eyeglass lenses – whether they are suitable for the correction and the type of your activity. If you use contact lenses, they check the fit of the product on the cornea.

Diagnosis

Since itchy eyes are caused by different diseases, a specialist uses several diagnostic methods.

Biomicroscopy helps to detect inflammatory diseases of the eye and examine lesions: the condition of the eyelids, conjunctiva, cornea and other parts of the eye are evaluated.

Assessment of visual acuity is always performed. With the help of special tests the doctor determines refraction (optical power of the eye) and accommodation (the ability of the eye to see objects clearly at different distances). He also checks binocular vision and color perception.

If you wear glasses, the doctor will check the correct type of eyeglass lenses – whether they are suitable for the correction and the type of your activity. If you use contact lenses, they check the fit of the product on the cornea.

To determine allergies, the doctor may refer the patient for tests – conjunctival scrapings and blood tests for IgE antibodies. If demodecosis is suspected, the doctor will prescribe a superficial biopsy to determine the presence of the parasite. In some cases, the doctor will refer you to other additional examinations.

Treatment

The doctor chooses the treatment tactic depending on the complexity of the diagnosed disease.

Conservative therapy

Allergies. The problem is eliminated with antihistamines – drops and pills. In severe cases, drugs to increase immunity and painkillers are prescribed.

Conjunctivitis. The doctor prescribes therapeutic drops based on the cause of the disease – antifungal, antibacterial or antihistamines. In some cases eye washings are indicated.

Blepharitis. Complex treatment will be required: sanitization of foci of infection, treatment of affected areas with ointments and application of therapeutic eye drops. In some cases physical therapy may also be necessary.

Barley. In the early stage, heat therapy is used, which will accelerate the formation of a pustule. After its breakthrough, washing of the eye with antibacterial solutions will be required, and then injection with antimicrobial medications. In severe cases antibiotics are prescribed.

Demodechosis. Treatment requires antifungal and acaricide medications.

Do not delay going to the doctor – the sooner you start treatment, the more likely you will avoid complications.

Surgery

Correction of blepharitis complications – eyelid torrhosis or eversion – is possible with blepharoplasty.

Dissection of a barley or other purulent processes.

Trichiasis. Incorrect growth of eyelashes is corrected by laser photocoagulation or autoplasty methods.

Vision correction

A specialist will check your eyesight and make a recommendation for glasses or contact lenses.

If you have good eyesight, but eye fatigue due to prolonged computer work is observed, glasses without diopters with a protective coating against blue light will be chosen for you. If you have hypersensitivity to light, photochromic lenses are appropriate: they darken in bright sunlight and lighten indoors. They are also good protection against blue light from screens of digital devices. In cases when wearing glasses or contact lenses is impossible, the patient is offered laser correction. In 1 session the surgeon corrects any type of visual impairment.
 

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