What causes black spots in the eyes?

If there are black spots on the white eye, it may be the pigment of the sclera, or there are blood vessels passing through the sclera, which looks like black spots. If there are black shadows flying around in the eyes, you can see black shadows flying around in the bright place or looking at the white wall. Under the sun, you can see black shadows flying around. This is called vitreous opacity. It refers to the posterior detachment of the vitreous body, or turbidity, causing floaters. If there are black spots on the lens, it may be a cloudiness of the lens, that is, cataracts, need to go to the hospital for detailed examination. If the patient does not know the cause and location of the black spots, it is still recommended to go to the eye examination.