5-year-old boy myopia 75 degrees, may be pseudomyopia, such as pseudomyopia can be through the development of good eye habits to achieve the effect of vision restoration; may also be true myopia, you can wear frames for vision correction therapy. 1. Pseudomyopia: 5-year-old boy myopia 75 degrees, usually due to a long time to face the electronic products or close eye, resulting in the eye ciliary muscle spasm, thus causing abnormal changes in the refractive state, and is not true myopia, myopia disappears when the pupil dilated optometry can be diagnosed as pseudomyopia. At this time, you can do eye exercises regularly every day, as well as reduce the use of electronic products, as well as after using the eyes can be far away to look, to achieve the effect of restoring eyesight. 2. True myopia: 5-year-old boy myopia 75 degrees, may be due to long-term overuse of the eyes without timely correction, as well as genetic factors, such as the loss of self-regulating function of the lens, the retina backward extension, as well as the formation of abnormal growth of the eye axis, myopia does not disappear during dilated optometry can be diagnosed as true myopia. True myopia can be corrected by wearing frames or keratoplasty glasses. Frames with the lowest prescription are more appropriate. Or, corneal reshaping glasses can increase the field of vision, reduce the size of the patient’s binocular image, and maintain binocular visual function. If a 5-year-old boy is nearsighted, he should go to the hospital in time for an examination to identify the cause of his nearsightedness and follow the doctor’s instructions for treatment.