The so-called pseudomyopia is due to often incorrect use of the eye, the ciliary muscle continues to contract, spasm, not due to rest and relaxation, the lens is also in a thickened state, so that the external parallel light into the eye, the focus falls to the retina in front, so that you can not see distant objects, this period, the eye without organic pathology, through relaxation and rest, there is hope to restore normal vision. Preventive measures: 1, develop good reading and writing correct posture, back straight, do not lie on the table and twist the body, eyes and books to maintain a foot distance. 2, light from the left, not too dark or too strong, reading and writing about an hour break of about 10 minutes, do extreme vision. 3.When watching TV and computer, the height of the screen should be level with the line of sight, and the distance should be more than 5 times the diagonal length of the screen. 4, comprehensive and balanced nutrition diet, eat more vegetables and fruits, protein food, avoid all kinds of drinks, snacks and sweets. 5, parents timely detection of children’s vision, if myopia has occurred, to professional eye institutions for examination, children under 12 years old, should do relaxation of the ciliary muscle dilated optometry, to seek professional solutions.