What causes itchy eyes?
The eye is one of the most important organs of the human body, which undertakes the important task of receiving information and reflecting the surrounding environment. However, many people often have itchy eyes, which seriously affects their normal life and work. So, what causes itchy eyes? Next, we will elaborate from four aspects: environmental factors, allergens, eye diseases and eye infections.
1. Environmental factors
One of the common reasons for itchy eyes is the influence of environmental factors. In modern society, we often face the radiation of computers, mobile phones and other electronic products. Long time use of these devices will lead to dry eyes, fatigue, and then lead to itchy eyes. In addition, the dry indoor environment, the use of air conditioners, hair dryers, etc. will also cause eye irritation and itching.
In addition to these external environmental factors, eyes are also vulnerable to irritation under poor air quality. Fine particles and harmful gases in haze weather can irritate eyes and cause eye itching. Therefore, under these environmental conditions, we need to pay attention to protecting our eyes and reducing unnecessary irritation.
2. Allergen
Allergy is also one of the common causes of itchy eyes. For some people with allergic constitution, pollen, dust, animal hair and other substances in the air may be the inducement for their eyes to itch. When these allergens enter the eyes, they will cause an overreaction of the immune system, causing itching and redness of the eyes.
In addition, some foods and drugs may also be the cause of eye allergy. For example, some people are allergic to seafood, eggs, nuts or certain drugs, and their eyes will itch after eating. Therefore, in daily life, if you find yourself allergic to specific food or drugs, you should try to avoid contact to reduce the probability of eye allergy.
3. Eye diseases
Eye diseases are also common causes of itchy eyes. For example, xerophthalmia is a common eye disease, which is characterized by the lack of sufficient tears in the eyes, resulting in dry and itchy eye surface. Eye surface diseases such as conjunctivitis and keratitis can also cause itchy eyes, accompanied by redness, lacrimation and other symptoms.
In addition, some chronic diseases such as rhinitis and oral diseases can also cause eye itching through nasal discharge, saliva and other ways. Therefore, if the eyes are itchy for a long time and have a foreign body feeling, it is better to go to the hospital to find the cause and treat accordingly.
4. Eye infection
Eye infection is also one of the common causes of itchy eyes. When bacteria and viruses infect the eyes, they will cause redness, swelling, and increased secretion, accompanied by pain and itching. Common eye infections include conjunctivitis, keratitis, etc. In case of eye itching accompanied by other symptoms, such as decreased vision, eye congestion, etc., you need to see a doctor in time to prevent eye infection from becoming more serious.
Summary
Eye itching is a common visual problem, and its causes are complex and diverse. Environmental factors, allergens, eye diseases and eye infections can all cause eye itching. Therefore, in our daily life, we should pay attention to protecting our eyes and reducing unnecessary irritation; For people with allergic constitution, avoid contact with allergens; If you find that your eyes are itchy for a long time and accompanied by other symptoms, you should go to a doctor in time to find the cause and treat accordingly. Only comprehensive measures can effectively alleviate the problem of eye itching and maintain eye health.
