The shiny spiral in the left eye may be caused by visual fatigue, vitreous clouding and other diseases, and the patient should consult a doctor in time. 1. Visual fatigue: if the patient in the left eye presents a shiny spiral thing before the prolonged use of electronic devices, stay up late and other experiences, should be considered to be caused by visual fatigue, such people should pay attention to reasonable use of the eyes, if necessary, you can use artificial tears. 2. Vitreous clouding: vitreous degeneration, hemorrhage, inflammation, etc. caused by the vitreous body in the vitreous body opaque material, the patient will have the eyes show shiny spiral things, vision loss and other symptoms, if necessary, can be vitrectomy. In addition, the appearance of shiny things in front of the eyes, may also be retinopathy, etc., so it is recommended to go to the hospital in a timely manner to determine the cause of the disease, under the guidance of the doctor’s treatment.