Why do you shed tears in the wind? Say goodbye to trachoma

Many people’s eyes will shed tears involuntarily after encountering the wind. Especially in autumn and winter, when the wind is blowing, this phenomenon is even more serious. They can’t even open their eyes. What’s the reason? What caused it? How to prevent and treat it? Come and learn with me.

Why do tears flow in the wind?

Some people’s eyes have no abnormality, neither red, swollen, nor itchy, but when they are blown by the wind when they go out, Tears flowed down unconsciously, and the eyes were blurred, affecting vision. Especially when riding a bicycle, quickly wipe away the tears with your hands. Over time, your eyelids may become flushed, eczema or inflammatory.

Usually, in addition to part of the tears secreted by the lacrimal gland to lubricate the eyeball, the other part flows into the nasal cavity through the lacrimal canaliculus, lacrimal sac, and lacrimal nasal duct through the siphoning effect of the lacrimal canaliculus. If the tear duct system is disordered, such as tear duct stenosis, obstruction, insufficiency or inflammation, etc., the tears cannot be discharged normally; coupled with the stimulation of external cold air, as well as various physical, chemical stimulation, mechanical factors, etc., reflexive The secretion of lacrimal glands increases, causing tears to flow out. If the tear duct is completely blocked, sitting indoors can also cause tearing.

In addition, there are a few people who suffer from trachoma, chronic conjunctivitis, tear duct inflammation (such as chronic dacryocystitis, etc.), and abnormal position of the tear point, which can lead to stenosis or obstruction of the tear duct. The discharge of tears is hindered. Therefore, although the symptom of tearing can also occur indoors (to be precise, it should be called "eporrhoea"), it is more severe when encountering cold wind.

Causes of crying in the wind

There are many reasons for crying in the wind, including physical problems and, of course, the weather.

First of all, let’s take a brief look at the internal causes: there are two main types of internal causes of tears in the wind. One is “deficiency”, that is, deficiency of the liver and kidneys, which manifests as tears when the wind blows, but the eyes are not red. It is not painful, the tears are thin, and there is no feeling of heat when flowing; the other type is "heat", that is, the wind-heat type, which is mainly characterized by turbid tears, a feeling of heat, and the eyes will be red and swollen. The above are the internal factors that cause tears in the wind.

In fact, external environmental factors are also the main reasons for crying in the wind. This is mainly reflected in changes in temperature, humidity and wind in the weather. There is a lubricating film on the surface of the human eyeball, the tear film. Under normal circumstances, blinking can spread tears evenly on this membrane, ensuring clear and comfortable vision. If the temperature is too low, the eyeballs will be strongly stimulated by the cold wind, which will directly cause the tear ducts to be blocked. At the same time, a large amount of dust mixed in the wind will block the tear ducts and hinder the secretion of tears. Another reason for weeping in the wind is dryness. In winter, even the water towns in the south of the Yangtze River become drier than other seasons, and people in the north have a deeper experience of dryness in winter.

How to prevent and treat

1. Generally speaking, normal and functional tearing in the wind is a physiological phenomenon and does not require treatment. For some patients suffering from trachoma, chronic conjunctivitis and tear duct inflammation, if not treated in time, it may lead to serious consequences of eye infection.

2. To prevent tears in the wind, first pay attention to wind protection and heat preservation, try not to go out, and avoid contact with cold air

3. People who rush to work in the morning and people who do morning exercises in the cold wind People, it is best to wear masks, scarves and glasses to prevent wind when going out, and try not to let the cold wind blow directly into your eyes.

4. Eat more fruits and vegetables.

Be careful in daily life

Develop good personal hygiene habits. Do not wash your face with towels mixed with those in the same room. Your own towels should also be washed regularly and placed in the sun. Dry and disinfect. You should bring your own toiletries when staying in a hotel. When washing your hair in a barber shop, try not to wipe your eyes with the towel provided there to avoid contact infection.