Pseudomyopia is usually below 150 diopters when measured directly, but below 25 diopters after pupil dilation, which is in the normal range. Pseudomyopia occurs in adolescents, children, and people who use their eyes for long periods of time at close range. The rough measurement of myopia in children is usually below 150 degrees, and the degree of myopia after pupil dilation is usually below 25 degrees, which is within the normal range. Patients may experience discomfort such as unclear vision of distant objects, clear vision of near objects, and eye distension and dryness. Pseudomyopia is an abnormality in eye regulation function, the ciliary muscle of the eye continues to contract, over-adjustment, the formation of regulation spasm, the lens refraction increases, so that the eye is myopic, this change is generally reversible, timely correction of bad eye habits, the patient’s visual acuity can be restored to varying degrees. However, if patients do not pay attention to their eye habits, true myopia may develop. It is recommended that patients with pseudomyopia consult a doctor in a timely manner to assess their condition and follow the doctor’s instructions for treatment.