Is eye redness caused by red eye disease? Once the eyes are red, some people doubt whether they have red eye disease. In fact, red eye disease is only a symptom. Red eye disease often causes red eyes, but red eyes do not necessarily mean red eye disease.
Generally speaking, eye redness refers to white eye, so-called white eye, redness, that is, the bulbar conjunctiva covering the front of the eyeball redness, it may be caused by local inflammatory stimulation of vasodilation, congestion; it may also be caused by non-inflammatory factors of conjunctival small blood vessel rupture, that is, subconjunctival hemorrhage.
There are many reasons for red eyes. As the bulbar conjunctiva is exposed in front of the eyeball, it is vulnerable to trauma and microbial invasion. The most common causes of eye redness are inflammation of the eyes, such as acute conjunctivitis (i.e., red eye disease), keratitis, wheatema, iridocyclitis, etc.; allergic reactions can also cause eye redness, such as allergic conjunctivitis caused by allergy to some ophthalmic drugs (tetracycline, atropine, etc.), and spring conjunctivitis, which can also be accompanied by eyelid edema, tingling and other symptoms; Eye surgery, trauma can also cause red eyes, can be congestive, can also be hemorrhagic; also with such as fever, crying or air pollution stimulation can also cause bulbar conjunctival congestion and performance for red eyes; Severe coughing, vomiting and rubbing can cause rupture and bleeding of small conjunctival vessels, which is characterized by punctate or flaky redness under the bulbar conjunctiva, and the color is dark red or bright red according to the amount and time of bleeding.
If the eye is red and accompanied by changes in vision, it means that the site of eye disease is in the cornea or deep part of the eyeball. If the vision is not affected, it indicates that the lesion is superficial or simple subconjunctival hemorrhage.
In short, red eyes is not only unique to red eye disease, it is a manifestation of eye disease, once red eyes appear, should be timely medical treatment, looking for the cause, the right medicine.