What is allergic keratitis?

Allergic keratitis is mainly caused by basic causes and inducing factors, as follows: 1. Basic causes The basic cause of allergic conjunctivitis is that the patient belongs to allergic constitution and is hereditary, so it is easy to develop after exposure to allergens. 2, induced factors often contact with pets, poor living environment sanitation, wearing contact lenses, eye surgery foreign body implantation, etc. may induce allergic conjunctivitis. Allergic conjunctivitis can take general treatment, drug treatment, desensitization treatment, surgery, etc. 1, general treatment after the onset of the need to immediately get rid of allergens, do eye cold compress, use normal saline rinse, help reduce eye itching, redness and other symptoms. 2, drug treatment according to the doctor's advice to use antihistamines, mast cell stabilizers, vasoconstrictors, glucocorticoids and other drugs for anti-inflammatory, anti-allergic treatment, promote disease recovery. 3, desensitization treatment can extract allergens after sublingual or subcutaneous injection, follow the principle of gradual increment, so that the patient's body gradually improve the tolerance of allergens, so as to gradually desensitize. 4, surgical treatment If it is severe allergic conjunctivitis, has appeared conjunctival fibrosis phenomenon, can consider mucosal transplantation and fornix reconstruction surgery. If severe visual impairment has occurred, keratoplasty may be considered.