Curved vision in the eye is usually caused by diseases of the fundus, such as macular tear, macular degeneration, and macular prefovea. Under normal circumstances, the retina is flat and can form a clear image when light is projected onto it. However, if the morphology, structure and function of the retina are affected by diseases, the projection of objects onto the retina will be distorted, resulting in distorted and curved vision. The macula on the retina is an important functional structure that affects vision, and fundus diseases that involve the macula can often lead to distorted vision. For example, macular tear, macular degeneration, macular pre-macular membrane, etc., can lead to the clinical manifestation of seeing things become curved. If you have curved vision, you should go to the ophthalmology department of the hospital for examination in time, and after clear diagnosis, the doctor will formulate a reasonable treatment plan.