With the problem of reddening of the eyes, almost every one of us quite often encounters. Redness occurs when the blood vessels in the eyes begin to expand. The reason for this is the increase in pressure in the capillaries, which is due to too long a load on the eyes, a strong fatigue and the impact of other objective factors.
Also, in addition to the listed, red blood vessels can still cause a variety of reasons. At the same time, for different reasons, different countermeasures are required. Some recommend immediate medical intervention and medical care, the latter may only require consultation with the attending physician, and thirdly, medical care is not required at all. In any case, you need to pay attention to all the symptoms that accompany redness, from the presence of hemorrhages and the degree of redness and to subjective symptoms.
Redness of the eye arises from the expansion of blood vessels located in the white eye (sclera). This can happen for many reasons, but most often because of too dry air irritating the eyes, dust or foreign bodies getting into the eye, sunlight, allergic reactions, or as a result of injuries or other diseases. If the reddening of the eyes occurs frequently, it is most likely the cause of this cough or physical strain. Then the appearance of small blood spots in the scleral region is possible. Another name for these blood spots is subconjunctival hemorrhage. Even if this phenomenon looks rather scary, it is not dangerous to health, if there is no pain. Pass such spots, as a rule, in a few weeks.
Inflammatory, as well as infectious process can occur in any area of the eye. At the same time, in addition to redness, the eye can feel itching, pain, there are discharge and possibly a visual impairment.
Possible causes include the following diseases.
- Blepharitis. It is an inflammatory process of eyelash follicles, located along the eyelid. Occurs because of skin bacteria. With this disease, symptoms are observed, such as the formation of the cortex on the eyelids and itching.
- Conjunctivitis is an inflammation or infection of the membrane covering the front of the eyes or eyelids. In people, this disease is often called the "pink eye". The causes of its occurrence are bacteria, virus, allergy or irritation. In the case where conjunctivitis is caused by bacteria or a virus, the disease is contagious.
- Ulcers of the cornea (outer shell of the eye) can also cause redness of the eyes. The nature of their occurrence, as a rule, is viral or bacterial.
- Inflammation of the choroid of the eye.
One of the possible causes of reddening of the eyes may be inflammation of the choroid of the eye. Inflammation can be caused by toxic damage, an autoimmune disease or infection.
In addition to the above diseases, the causes of redness of the eye sclera can be:
- foreign body, which, being in the eye, traumatizes it;
- corneal scratches due to dust, contact lenses, sand, etc .;
- severe cold or allergy;
- bleeding, which can occur, for example, due to an overdose of a drug that reduces blood coagulability;
- a sharp and very painful increase in intraocular pressure - an attack of glaucoma. This phenomenon entails serious visual impairment. In case of this attack, it is necessary to immediately seek medical help. Most often, glaucoma develops slowly enough.
To assign a correct course of treatment, you need to establish the cause correctly. It is best to seek the advice of a specialist. Only a doctor can accurately determine the diagnosis and prescribe the necessary treatment.
If red blood vessels are observed at you constantly, you should always consult a doctor. Chronic redness of the eye can occur due to allergic reactions, various diseases of the eyelids and eyes. In this case, it is strictly forbidden to use self-medication.