As one of the most commonly used drugs, eye drops have a direct and rapid therapeutic effect on eye diseases and relieve eye fatigue. With people’s over-reliance on mobile phones and other electronic products, more and more people have to carry eye drops with them because of eye diseases, but most people don’t know that the shelf life of the eye drops is very short after the eye drops bottle is opened.
In many people's opinion, after opening the eye drop bottle, as long as it has not passed the expiration date and there is no obvious precipitation, it can be used. But ophthalmologists tell you that the shelf life on the eye drop bottle usually refers to the unopened bottle, and the general validity period is 1-3 years. In order to increase the validity period of the medicine, most of the eye drops contain preservatives. Once opened and used, the liquid medicine may be contaminated by microorganisms in the air. Therefore, if it is not used up after four weeks, it should be discarded immediately to avoid causing damage to the eyes. Necessary safety hazards, and even secondary serious eye infections.
When choosing eye drop bottles, pharmaceutical companies should not only consider the compatibility of the drug and the packaging, but also consider the application range of the drug, the frequency of use, and the amount of single drip. The pharmaceutical packaging capacity should not be too large. If it is not used up within the validity period, it will be wasted, and the capacity should not be too small to reduce the cost-effectiveness of the drug.
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