Difference between nearsightedness and farsightedness

The difference between myopia and farsightedness is mainly as follows: First, when the eye is at rest, parallel light from the outside world passes through the refractive system of the eyeball, myopia is mainly focused in front of the retina, while distant eyes are mainly focused behind the retina. Second, the typical clinical manifestation of myopia is far vision. The typical clinical manifestation of farsightedness is far vision is unclear, and near vision is even more unclear.