Keywords preservative;ethyl hydroxybenzoate;sorbic acid;benzalkonium bromide;sodium hyaluronate;corneal epithelial cell;conjunctival epithelial cell;

• 防腐剂;羟苯乙酯;山梨酸;苯扎溴铵;玻璃酸钠;角膜上皮细胞;结膜上皮细胞;