In autumn, many people will feel dry eyes, especially those who work with computers for a long time, so many people start to choose to use eye drops, but eye drops are not just drops. We should also pay attention to several principles while using eye drops. When using eye drops for the first time, if there is a foreign body sensation, it may be a dry cornea and a wound on the surface. However, if there is still a foreign body sensation after a week of continuous use, you should consider changing the type and brand of eye drops. Common eye drops include aqueous solutions, oil solutions and gels. Moderate and mild dry eyes should use eye drops with aqueous or oil solvents and without preservatives 3-4 times a day, and with lubricating eye ointment before bed; patients with severe dry eyes can use gel eye drops. It is best not to use more than 6 times in a day. And once the dry eyes disappear should stop using, do not use for a long time. Abuse of eye drops or make the eyes more and more dry drops For people who “rely” on eye drops, experts say that they must be careful to use eye drops under the premise of understanding the cause of their dry eyes, because there are a variety of conditions that cause dry eyes, and not by giving the eyes “hydration “Some eye drops can even lead to “more and more dry” eyes. At present, there is abuse of eye drops, many people feel dry eyes will think of using eye drops, especially the health class anti-fatigue eye drops. Eye drops on the market are divided into two kinds, including preservatives and preservatives-free. The vast majority of eye drops contain preservatives, including the health category, which is also known as anti-fatigue eye drops also contain preservatives. Long-term use of eye drops containing preservatives may damage the tear film and cause not only dry eyes, but also keratitis and other eye diseases, leading to more and more dry eyes. If you need to use eye drops, it is recommended to consult your doctor and choose the right eye drops for you. In addition, you can also use artificial tear drops, which generally do not contain preservatives or contain only a very small amount of preservatives, and can be used to “hydrate” the eyes in the right amount. If dry eyes do not appear occasionally, but continue to appear for a long time, it is recommended to go to the hospital for examination and treatment as soon as possible. Chinese medicine fumigation and hot compresses also have obvious effects on improving and treating dry eyes, mainly by using some herbs to clear heat and detoxify the blood and brighten the eyes, boiling them into a medicinal solution to clear heat and detoxify the blood and improve local circulation through fumigation and external washing to improve dry eye symptoms and reduce the dependence on eye drops.