The correction of the different size of the eyes should be analyzed according to the different causes, and can be corrected by surgery or medication according to the specific situation. Eyes are not the same size may be congenital factors, if there is no other discomfort or clinical symptoms can be temporarily observed, do not deal with, if one eye is a double eyelid and one eye is caused by mono eyelid, think that affects the aesthetics, you can go to the hospital, under the guidance of the doctor to perform surgical treatment to correct. If it is caused by ptosis of one eye, go to the hospital in time. If it is caused by myasthenia gravis, the patient can follow the doctor’s instruction to use medication, such as neostigmine and so on. If the effect of medication is not satisfactory, the patient can have surgical treatment, such as thymectomy. If the patient’s eyes are protruding due to orbital space-occupying lesions, causing the patient to have different sizes of both eyes, the patient can undergo surgical treatment, such as lumpectomy. However, if the eyeball protrusion is caused by high myopia, generally there is no better solution, patients need to develop good eye habits to avoid further progression of myopia and aggravate the performance of eyeball protrusion. It is recommended that patients with different eye size should consult the hospital in time to assess their condition and follow the doctor’s instructions for treatment.