有不少人为了使眼疾快点痊愈,一次要点数滴眼药水,一天之内频繁地点眼药水,认为加大眼药水使用量,眼疾症状就会减轻。其实眼药水一次点一滴就足够。这是由于一滴眼药水已经超过平常结膜囊内可贮存的容量,多点眼药水后,多余的眼药水不是自眼角溢出,就是沿鼻泪管流向鼻腔。另外,大量的使用眼药水,药水内的防腐剂会对眼球表面造成伤害。 There are many people in order to make the eye quickly heal, a few points eye drops, eye drops within a day frequently, that increase the use of eye drops, eye symptoms will be reduced. In fact, a drop of eye drops is enough. This is because a drop of syrup has more than the usual conjunctival sac can be stored within the capacity, after more eye drops, the excess eye drops do not overflow from the corner of their eyes, that is, along the nasolacrimal duct to the nasal cavity. In addition, the use of large quantities of eye drops, preservatives in syrup will damage the eye surface.