人上年纪后大多会出现“老花眼”。群众中流传着“四十三,过眼关”和“花不花,四十八”的说法,都是指老花眼而言。 医学上把老花眼称为老视眼。它是一种老年人眼部衰老的表现,属生理变化。在我们每个人的眼睛里,都有一套能够随时适应既看近又看远所需的结构和机能,这包括 Most people will appear after the age of “presbyopia.” Among the masses, the saying of “forty-three, over-viewing” and “not spending flowers, forty-eight” are all used to refer to presbyopia. Presbyopia medically called presbyopia. It is a manifestation of senile eye aging, is a physiological change. In the eyes of each of us, there is a set of structures and functions that are readily adaptable to both the near-nearer and the far, including