1, usage and dosage
Swiss polyvinyl alcohol eye drops are mainly used to relieve some uncomfortable symptoms related to dry eye. This medicine is a colorless and transparent liquid. This product contains an average of 7 mg of polyvinyl alcohol per stick. Everyone should pay attention to the fact that it must be used according to the instructions or under the guidance of a doctor, and it cannot be used blindly at home. When making eye drops, stick to 1 ~ 2 drops, 3 ~ 4 times a day. When using this eye drop, eye irritation symptoms and allergic reactions will occasionally occur. In fact, these are normal phenomena, don't worry, but people with allergies can't use them.
When you use eye drops, don't let the dropper touch the surface of any object. This is to prevent bacterial contamination. You should cover the bottle cap after using it. If the liquid medicine is discolored or turbid, please do not use it again. Moreover, if other eye drops are used at the same time, Swiss polyvinyl alcohol eye drops cannot be used, otherwise drug interactions may occur.
2. What is the effect?
Polyvinyl alcohol eye drops are very common eye drops. Its main function is to effectively relieve eye fatigue, and it also has a significant effect on treating dry eye and dry eye. Professional medical analysis shows that eye drops are generally divided into anti-inflammatory type and health care and nutrition type (similar to artificial tears), and polyvinyl alcohol eye drops belong to the latter. Polyvinyl alcohol eye drops also have some side effects, so let the experts introduce them.
The side effects of polyvinyl alcohol eye drops are caused by its composition and manufacturing process. The main component of polyvinyl alcohol eye drops is polyvinyl alcohol, and the auxiliary materials are sodium chloride and sodium dihydrogen phosphate. Polyvinyl alcohol (PVA) has many characteristics. It can simulate the physiological tears of human body, and the produced mucus solution covers the surface of eyes, which can replenish the water in eyes, protect eyes and effectively improve the dryness, discomfort and foreign body sensation of eyes.
3. Side effects
The side effects of polyvinyl alcohol eye drops are very small. Occasionally, patients have eye irritation symptoms and allergic reactions in clinic, which does not affect their use effect. When in use, the bottle cap can be opened by rotating it. When dropping eyes, drop some in each eye. If eye irritation, congestion and blurred vision occur after polyvinyl alcohol eye drops for more than 72 hours, stop using them immediately or consult a doctor. If you are taking other drugs, please ask your doctor first.
4, dry eye syndrome
Dry eye is an abnormal intima caused by abnormal tears, which leads to eye discomfort. At present, there are many factors that cause dry eye, such as computer vision syndrome and vitamin A deficiency. Dry eye can be divided into two types. The former is mainly treated by supplementing tears, and polyvinyl alcohol is hydrophilic, which can play a role similar to artificial tears under certain conditions, improve the comfort and wetness of eyes, eliminate eye discomfort and treat dry eye.
Polyvinyl alcohol eye drops is the only new drug similar to artificial tears in China, which is approved by the State Administration of Pharmaceutical Products. It has many functions such as relieving visual fatigue, increasing eye nutrition and keeping eyes clean and comfortable. Can be used for treating blurred vision, dry eyes, itching and pain caused by reading and watching TV. Avoid eye swelling or vision loss caused by visual fatigue, and prevent conjunctival congestion, dryness, itching and pain caused by dirty things entering the eyes; It also has multiple effects of relieving asthenopia, nourishing and moistening, cleaning and guarding, resisting bacteria, astringing and relieving itching, and is the first choice for treating and protecting eyes. Clinically, it is often used to prevent or treat eye irritation and effectively improve eye dryness.