In daily life, red eye is more common, is also a rather serious eye disease, it is troubled to a lot of friends, for this reason we need to clearly understand the knowledge of red eye, especially the symptoms of the disease to understand thoroughly before, in the end have red eye will have what symptoms occur, here first to introduce it to you. The medical term for red eye is infectious conjunctivitis, also known as flare-up fire eye, is a common acute infectious eye disease. The whole year can be onset, especially in the spring and summer season is common. Most patients are infected through contact with the patient’s used towels, washing utensils, faucets, swimming pool water, common toys, etc. Outbreaks are often prevalent in kindergartens and other collective units. Red eye is a contagious eye disease, the onset of the disease is rapid, usually within 1 to 2 days of bacterial infection, the onset of one eye is often transmitted to the opposite side, causing the onset of the disease in both eyes. In the early stages of the disease, patients feel a burning sensation in both eyes, photophobia, redness of the eyes, self-conscious eye grinding pain, like into the sand, rolling pain, followed by redness and swelling of the eyelids, eye droppings, fear of light, tearing, when you get up in the morning, the eyelids are often stuck by the secretions, can not open the eyes. In some patients, small hemorrhagic spots or hemorrhagic spots appear on the conjunctiva, and the discharge is mucopurulent, sometimes forming a layer of gray-white pseudomembrane on the surface of the lid conjunctiva, and there may be gray-white infiltrating dots on the edge of the cornea, and severe cases may be accompanied by headache, fever, fatigue, enlarged lymph nodes in front of the ear and other systemic symptoms. The onset of the disease is rapid, with self-conscious tearing, foreign body and burning sensation. Examination of the eyelids and conjunctiva is edematous, and the conjunctiva is congested with purulent or mucus discharge, often causing the upper and lower eyelashes to stick together and making it difficult to open the eyes when waking up in the morning. In severe cases of bacterial pink eye, the eyelids are red and swollen, and the lid conjunctiva appears as a grayish-white film that can be wiped away but is easily regenerated, called pseudomembrane; viral pink eye discharge is mostly aqueous or mucous, with cold-like symptoms, small bleeding spots under the bulbar conjunctiva, accompanied by swollen and painful pressure in the ipsilateral preauricular lymph nodes; allergic pink eye discharge is clear and thin, or mucous-like or filiform, with a distinct itching sensation, and the eyelids and conjunctiva are edematous, and allergies can often be found. The cause. Allergic pink eye does not usually affect the patient’s vision. If a large amount of mucopurulent discharge adheres to the corneal surface, there may be temporary blurred vision or iridescence (rainbow-like aperture in front of the eyes), and once the discharge is wiped away, vision becomes clear. If bacterial or viral infection affects the cornea, photophobia, tearing, and pain are aggravated, and there is a certain degree of vision loss. The patient’s immunity is low after the red eye is cured, so the infection can be repeated. From a few months of infants to eighty or ninety years old may develop, and in public units are common, the epidemic is fast, suffering from pink eye, often one person has the disease, in 1 to 2 weeks caused by the whole family, kindergartens, schools, factories and other widely spread, regardless of sexes and children, a large number of patients infected. After seeing the relevant introduction, we know what the symptoms of adult pink eye, pink eye hurt a lot of people’s eye health, but also affect the lives of patients, so friends must clearly understand the knowledge of pink eye, to actively prevent this disease, pay attention to their eye care.