spring catarrhal conjunctivitis
Introduction
Introduction to catarrhal conjunctivitis in spring Spring vernal conjunctivitis (vernal conjunctivitis) is an allergic disease with a strong seasonality and often invades both eyes. Whenever the spring blossoms, the symptoms disappear and the symptoms disappear when the cold is late in the autumn. Recurrence every year, mild cases will not be issued after 3 to 4 years, severe cases can continue to relapse for more than 10 years. The disease is characterized by itchy eyes, large and flat nipples and conjunctival hyperplasia near the limbus, and a large number of eosinophils in the secretion. basic knowledge Sickness ratio: 0.0001% Susceptible people: no specific population Mode of infection: non-infectious Complications: glaucoma cataract
Cause
The cause of catarrhal conjunctivitis in spring
Virus infection (30%):
Whenever summer and autumn come, it is the season of the disease. Especially in some coastal cities, many people suffer from acute conjunctivitis due to the hot and humid weather. It is on the rise and is fierce. No matter how old or young, men and women, if they are infected, they can develop within a few hours. It can spread out in a certain range and affect people's health.
Allergic reaction (25%):
Sudden conjunctival hyperemia, burning sensation, itching, secretions, general vision is not affected, check for eyelid swelling, sputum conjunctival hyperemia, nipple follicular hyperplasia, conjunctival hyperemia, sometimes edema and subconjunctival hemorrhage, conjunctival sac There are secretions, to determine the source of the disease needs to be a secretion smear for bacterial and cytological examination. Treatment should be given to the cause of the topic.
Other factors (25%):
Because the conjunctiva is exposed, it is susceptible to inflammation caused by various external microorganisms, wind dust, physical and chemical poisons, and the like.
Prevention
Spring catarrhal conjunctivitis prevention
Pay attention to personal hygiene, keep your hands clean, do not wash your hands with your hands, if it is caused by environmental irritations, try to reduce the source of contact with stimuli, such as reducing to public places (especially in confined rooms), reducing exposure to smoking and burning waste. Ashtray. If it is caused by an allergen, avoid contact with pollen, paint, or dust.
Complication
Complications of catarrhal conjunctivitis in spring Complications glaucoma cataract
For example, long-term use of corticosteroid eye drops can cause complications such as corticosteroid glaucoma, cataract and simple viral keratitis.
Symptom
Spring catarrhal conjunctivitis symptoms common symptoms tears conjunctival hyperemia corneal dark gray turbid palpebral conjunctiva hard and flat nipple photophobia eyes unbearable itchy keratitis corneal epithelial erosion
The unbearable itching of the eyes is the most prominent symptom of the disease. At the same time, it can also have a burning sensation. It is even worse when it is hot or blinking. It has mild photophobia, tearing, and not many secretions, but it is characterized by sticky silk. shape.
Examine
Spring catarrhal conjunctivitis examination
Examination revealed redness and swelling of the eyelids, conjunctival hyperemia, nipple follicular hyperplasia, peripheral conjunctival hyperemia, sometimes edema and subconjunctival hemorrhage, and secretions in the conjunctival sac. To determine the source of the disease, a secretion smear is required for bacterial and cytological examination. If necessary, the conjunctival epithelial scraping and secretion smear or culture to check bacteria, fungi, virus isolation, etc., and do drug sensitivity test.
Diagnosis
Diagnosis and identification of catarrhal conjunctivitis in spring
diagnosis:
Diagnosis can be performed based on clinical manifestations and examinations.Differential diagnosis:
1. Giant papillary conjunctivitis: its symptoms and signs are similar to this disease, but there is no obvious seasonality. The lesions are mainly in the proximal iliac crest, and are seen in patients with contact lenses or orthodontic eyes.
2. Chronic follicular conjunctivitis: common in school-age children and adolescents, its etiology and bacillus, eyelids in the morning, no itching, follicles are more common in the lower iliac crest and lower conjunctiva, uniform size, neatly arranged, can be in 1 2 years later self-healing.
