Farsightedness is caused by shorter axial length, when the adjusting state does not use the parallel light through the eyes of inflection emperor focus falling on the retina, a clear image can't be formed on the retina. So, farsightedness often requires the use of a regulator to strengthen the refractive power of the eye, to make light entering the eye can be collected and become a clear image on the retina.
For the treatment of farsightedness, we need to wear suitable convex lens correction to improve vision and relieve fatigue symptoms. As mild farsightedness, generally speaking, we often do not need glasses, but if someone has the symptoms of fatigue or esotropia, we should wear corrective glasses as soon as possible. To the high degree of pre-school children hyperopic patients, we should go to the optometrist at early time for a timely manner to reduce the degree of the lens, to meet the growing needs of the vision.
