The possible causes of eye floaters include eye trauma, retinal detachment and vitreous clouding. 1. Ocular trauma: when people with the disease are hit by an external force on the eye socket, the eyes will have alternating arteries and veins, and the eyeballs may throb, which is clinically manifested as a sense of wobbling of the vision. 2. Retinal detachment: this disease refers to the detachment of the retinal nerve epithelium and pigment epithelium, which is usually associated with the formation of retinal tears and the accumulation of exudate in the subretinal cavity, etc. Clinical manifestations include floaters in front of the eyes, flickering of light in the eyes, and blurred vision. 3. Vitreous clouding: this condition is caused by ageing and liquefaction of vitreous body, there may be flocculent floating in the eye, clinical manifestations such as dark shadows floating in front of the eyes. It is recommended that people with the disease should go to the ophthalmology department of the hospital as soon as possible for examination and treatment, so as not to delay the condition and cause irreversible damage to the eyeball.