Effect of polyvinyl alcohol eye drops

Polyvinyl alcohol eye drops can relieve dryness and fatigue of eyes. It can be used as an eye lubricant to relieve dryness and fatigue of eyes. Polyvinyl alcohol relieves dry eyes by protecting tear film stability and supplementing aqueous layer. Polyvinyl alcohol is distributed on tear film surface to stabilize oil stability on tear film surface, thus reducing tear volatilization. At present, polyvinyl alcohol adopts independent small package form, which does not contain preservatives, and can be used as an important artificial tear substitute product for patients with dry eyes and dry eyes after reading on computers and mobile phones.