Polyvinyl alcohol eye drops have the effect of lubricating and relieving eye discomfort. Polyvinyl Alcohol Eye Drops is a polymer with strong film-forming and hydrophilic properties, which can play a role similar to that of artificial tears under the premise of appropriate concentration, and is commonly used in clinical practice as a lubricant for the prevention and treatment of symptoms of irritation such as ocular dryness, eyestrain, and foreign body sensation, as well as for the improvement of symptoms of ocular dryness. Adverse reactions such as eye irritation and allergy may occasionally exist during the use of polyvinyl alcohol eye drops. Those who are allergic to this medication need to disable it. For soft contact lens wearers, remove the contact lenses before using the medication. Consult your doctor if the medication does not work for more than 72 hours or if symptoms such as eye pain, persistent eye congestion, or blurred vision are present. Polyvinyl Alcohol Eye Drops should be used as prescribed by your doctor before use.