保护眼睛不能仅靠滴点眼药水,从饮食习惯做起更为重要。视物的过程需要维生素A的参与,视神经的传导又需要维生素B族的帮助,预防眼睛的老视需要健康的血管,维生素C和维生素E对此很有帮助。缺乏维生素A时,眼睛往往感到发干、发涩,容易疲劳,严重时眼白表面干燥、皱缩,甚至导致角膜溃疡。在这些症状发生之前,人的暗光视力已经降低,暗适应能力差,也就是说,从亮处到暗处时,眼睛需要很长时间去适应。补充维 Protecting the eyes can not rely on drops of eye drops, starting from the eating habits is more important. The process of depending on the material needs the participation of vitamin A, the conduction of the optic nerve needs the help of the vitamin B family, prevent the eye presbyopia needs the healthy blood vessel, vitamin C and vitamin E are very helpful. Lack of vitamin A, the eyes often feel dry hair, astringent, easy to fatigue, severe white eye surface dry, wrinkled, and even lead to corneal ulcers. Before these symptoms occur, people’s dim light vision has diminished, dark adaptation ability is poor, that is, from bright to dark, the eyes take a long time to adapt. Supplement the dimension