The treatment of diplopia is usually not self-healing and requires treatment. There is no specific medicine to treat diplopia, but the treatment is mainly for different causes of diplopia. 1. astigmatism: astigmatism is the most common cause of monocular diplopia, which usually requires professional examination and appropriate glasses for correction; 2. cataract: visual disorders caused by clouding of the lens, patients may have blurred vision and diplopia and other symptoms. Patients may have blurred vision and diplopia. They can be treated with medication or surgery as prescribed by the doctor. 3. However, surgical correction treatment is mainly for patients with diplopia for more than six months. Acute common internal strabismus commonly occurs after close and prolonged eye use and sudden double vision, mostly in young people, so this category of patients should minimize close eye use; 4, thyroid-related eye disease: such patients can lead to restrictive strabismus when the extraocular muscles are involved in degeneration, and treatment mainly includes trigeminal correction, and if necessary, surgery is needed to relieve diplopia; 5, superior oblique muscle paralysis. The causes include trauma, tumor, inflammation, etc. The main treatment is for the primary disease, and if necessary, surgery can also be performed to relieve diplopia; 6, adductor nerve palsy: common in middle-aged and elderly people, risk factors include hypertension, diabetes, etc. The first step is to find the primary disease and perform targeted treatment; 7, orbital fracture: can be relieved by orbital bone fracture repair, but after repair, some For patients with lens subluxation and iris root disconnection, the patient will need to undergo iris suturing to relieve the diplopia. In addition, chalazia or tumors in the eyelid area can affect the patient’s vision and cause the occurrence of irregular astigmatism, and prompt medical attention is recommended for targeted treatment.