The eyes see small spots swimming may be vitreous clouding, intracranial ischemia and other diseases, but also may be a precursor to retinal detachment. 1. Vitreous clouding: with age, the vitreous body liquefaction, turbidity, patients can sometimes see a small point of light in front of the eyes of the material floating swimming, generally does not affect vision, so this often do not need special treatment. 2. Retinal detachment precursor: in the pre-retinal detachment, there may be a sense of floating in front of the eyes and before the eyes of the sense of flashing light, point of light swimming, etc., after the seriousness of the fixed black shadow in front of the eyes to cover up, this often need timely surgical treatment. 3. Intracranial ischemia: transient ischemic attacks of intracranial blood vessels may lead to insufficient blood supply, which may cause the patient’s eyes to swim in front of the light, commonly known as a gold star, but this is often transient. It is recommended that patients who experience light spots in front of their eyes should seek medical attention to assess their condition and follow the doctor’s instructions for treatment.