Can Eye Containing Preservatives Work?

Eye drops have become more than a drug, but have become eye drops that ease eye strain. Recently, reports on the addition of "Preservatives" (actually bacteriostatic agents) to eye drops have caused heated discussions. Some patients with eye diseases do not dare to use drugs in time because of doubts, and even have a bad influence on their health. So, is the so-called "preservative" in the so-called eye drops accurate? Can the use of "preservatives" eye drops be used?

Antibacterial agents are necessary measures to ensure the quality of eye drops. Permissible addition of eye drops is a sterile liquid preparation made from drugs and suitable excipients for dripping into the eye. It can be divided into aqueous or oily solutions and mixtures. Suspensions or emulsions. Eyedrops listed at home and abroad are allowed to add an appropriate amount of antibacterial agents, commonly known as preservatives, usually the content is from 1/10000 to 2/10000. In recent years, the standards of pharmacopoeia ophthalmic preparations in the United States, the European Union, and Japan are the same as those in China, and all ophthalmic preparations are required to meet the requirements for sterile preparations.

According to the Chinese Pharmacopoeia 2010 regulations, "eye drops can be added to regulate the osmotic pressure, pH, viscosity and increase the drug solubility and preparation of a stable excipient, and can add appropriate concentrations of antibacterial agents and antioxidants." Some drugs and cosmetics add the necessary antibacterial agents, which are commonly known as "preservatives" are the inevitable requirements to ensure the quality of medicines and cosmetics and the safety of the use process. In addition to eye drops there are many drugs containing bacteriostatic agents, such as multi-dose oral liquid preparations, otic preparations, nasal preparations, douches and dialysis fluids and so on. The antibacterial agent is added to the multi-dose eye drops to avoid "secondary contamination" by the microorganisms during use, which is an essential measure to ensure product quality.

And from the results of clinical use and monitoring of adverse reactions, no trace of bacteriostatic agents contained in the eye drops was found to be harmful to the eyes, but for those who need longer-term use of eye diseases, they should be strictly in accordance with the specification Follow your doctor's instructions and avoid any unpleasant stimuli or discomfort caused by improper methods or excessive use.

❤ The correct use of eye drops is the key 1. Do not use eye drops. Many students or white-collar workers often have symptoms of dry eyes, it is best to go to the hospital to understand the cause and then follow the doctor's advice, their long-term use of a large number of eye drops, may delay the disease.

2. When using eye drops, whether it is for yourself or for someone else, you must first wash your hands clean. Another point is not to let the bottle mouth touch the eyes, otherwise it will contaminate the eye drops.

3. After the eye drops are opened, they should be used in about 15 days. Even if they are not used up, it is recommended that they be thrown away to avoid the reuse of eye drops that cause microbial contamination.