Patients with blurred vision and double vision may be caused by refractive errors, optic nerve compression, cataracts, etc. Patients can be treated with prescription lenses for correction, surgical treatments, medications, etc. to promote recovery. Patients with refractive errors such as myopia, astigmatism, etc. who have blurred vision and double vision can correct their refractive errors through optometry and refractive surgery to improve their vision. Due to intracranial tumors, nasopharyngeal tumors, eye tumors and other causes of optic nerve compression, patients may have blurred vision, patients can be surgically treated by removing the mass, releasing the optic nerve compression and improving vision. Cataract patients may experience blurred vision and double vision due to uneven clouding of the lens. Patients can improve their vision through surgical treatments such as ultrasonic emulsification cataractectomy combined with artificial lens implantation. It is recommended that patients with blurred vision and double vision consult a doctor to evaluate their condition and follow the doctor’s instructions for treatment.