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Dry eye syndrome (DES) is a prevalent condition impacting millions of individuals worldwide. It is characterized by symptoms of ocular discomfort, visual disturbance, and damage to the ocular surface, often coupled with an unstable tear film. Among the various treatment options available, preservative-free artificial tears have gained popularity, particularly Retaine® MGD and hydroxypropyl methylcellulose (HPMC) solutions. This article presents a comparative analysis of these two formulations, emphasizing their composition, mechanism of action, efficacy, and safety.

The N9 series latex powder adopts advanced production technology and has excellent waterproofness and excellent dispersibility. Its main advantages include:

In summary, the advantages of HPMC in mortar applications make it an important tool in the construction industry to solve material performance problems. With the continuous advancement of technology and the increase in market demand, HPMC is expected to promote the upgrading and development of the entire industry and promote the innovation and improvement of building materials.