Eye drops are commonly used in ophthalmology and have the advantage of being quick and easy to use. Eye drops to relieve fatigue and treat dry eyes are one of the essential necessities for many workers who use their eyes intensely. However, there are various properties of eye drops themselves, and their random use may lead to various adverse consequences. Today, we will take you to sort out the principles of eye drops use. Should I use it often? Do not use if you can! As the old Chinese saying goes: medicine is three parts poison. The name of the eye drops is clearly mentioned, it also belongs to the “medicine” kind. Therefore, in other ways to relieve eye fatigue, you should try to avoid the use of eye drops, especially to avoid frequent use. Common methods of relieving fatigue include looking away, eye exercises, and resting with eyes closed. In addition, supplementation with vitamin A, vitamin B2 and vitamin C can help relieve eye stress. Eye drops are commonly used agents in ophthalmology Buy a bottle for long-term use? Be sure to read the shelf life! Although medicines do not have the perishable characteristics of meat and vegetables, they also have their own shelf life. Eye drops can generally be kept in a sealed, cool place for 1 to 2 years before opening. However, after opening it is generally recommended to use within a month, beyond a month may lose its effectiveness (specific use need to consult the instructions for use), or because the eye drops themselves are contaminated and induce infection. When using, you should also pay attention to try to avoid direct contact with the bottle mouth with the eyes, and do not touch any external objects. Otherwise, the side effects caused by eye drops will seriously endanger eye health. Buy a bottle at random and use it? Specific analysis of specific problems! Eye drops on the market can be roughly divided into health care and medicinal type two kinds, medicinal class is divided into antibiotics, antiviral class, hormone class, anti-allergy class, etc., can be complicated. In the purchase, be sure to pay attention to its effectiveness and use. The wrong purchase is like taking medicine indiscriminately, once the problem occurs, it is not worth the loss. It is generally recommended that when buying eye drops, go to a major hospital or pharmacy and ask your doctor or pharmacist for advice before deciding to buy them. There are no adverse reactions to eye drops? There are many kinds! Long-term use of eye drops may lead to a variety of adverse reactions. At this stage, most eye drops have some amount of preservative added to them. This preservative may burn the cupped cells of the conjunctiva in the eye. Once it is destroyed, people will suffer from what is commonly known as “dry eye”, that is, the normal eye redness, dryness and pain, so the more eye drops used, the more pain in the eyes, forming a vicious circle. In addition, because eye drops may contain hormones, beta-blockers and other medicinal ingredients. The presence of hormones may lead to the formation of hormonal glaucoma. Beta-blockers are ingredients of drugs used in the treatment of heart disease, and people who are allergic to such drugs may suffer from arrhythmia, asthma and other diseases as a result of exposure to such eye drops. In short, eye drops are small, but there is a lot to learn. Readers must consult an ophthalmologist when choosing eye drops and buy with caution!