Seeing black floaters in the eyes may be caused by physiological vitreous clouding or pathological vitreous clouding. 1. Physiological vitreous clouding: commonly found in the elderly, along with age, the vitreous body gradually aging, resulting in physiological vitreous clouding, which will cause the eyes to see black floaters, which is a normal physiological phenomenon, usually does not have an impact on the eyesight, no need for special treatment. 2. Pathological vitreous clouding: usually caused by ocular trauma, retinal tears, fundus hemorrhage, ocular inflammation and other reasons, can lead to the patient’s eyes to see black floaters, but also accompanied by eye flashes, varying degrees of visual impairment and other symptoms. Seeing black floaters in the eyes may also be caused by other reasons, if accompanied by obvious discomfort symptoms, you should consult a doctor as soon as possible, after clarifying the causative factors, and be guided by the doctor for treatment.