While Polyquad has been shown to be much less toxic to the corneo–conjunctival surface than BAK,[21] it has been shown to cause superficial epithelial damage to the cornea.[22] The main detriment associated with polyquaternium-1 is its tendency to reduce the density of conjunctival goblet cells, thereby decreasing aqueous tear film production.[21]作者: 匿名 時間: 2017-9-27 23:30