Yes, it's common to have eye floaters in your eyes sometimes. The eye floater is the tiny spots in front of your eye vision when looking at light background, such as white blackboard, white paper. It can be annoying, but do not affect your eye vision. However, it's not a good sign when you have a large amount of eye floaters once or in sudden. You had better to go to see eye doctor to ensure your eyes are fine because it could cause eye disorders.
In general, it is normal to have floaters in the eyes. When the eyes move fast, they will move fast, too. This doesn't need to be treated. If the floaters become in black block, this means that the retina is broken. If the floaters become red or block your vision, it means that your eyes bleed. In these two situations, you need to go to see the doctor.
The Floaters is an eye problem which are very special and quite common. The common symptoms for the floaters is a long time with a computer, reading, watching TV, and patients often feel that the eyes appear small shadows, sometimes it is in a flash, sometimes likes a mosquito flying around your eyes. It is more apparent especially against the backdrop of bright light or white background. Floaters is generally caused by vitreous degeneration and it is a natural sign of ageing, as getting older, the vitreous body will be liquefied and produce some turbidity. Thus, floaters' official name is ''the vitreous Chaos'' or ''the vitreous floats''.
Yes, it is normal to have floaters in eyes. For those who've never experienced this phenomenon like you, eye floaters are little oddly shaped objects that appear in your vision, and it makes you feel terrible but it is just very normal. It often occurs when one looks at bright light such as a blue sky. Their shapes vary greatly, but will often appear as spots, cobwebs, or randomly shaped stringy objects. For the cause, you should know that any eye condition in which the clarity of the vitreous humor is altered can produce the symptom of eye floaters. Eye floaters are associated with the retinopathy of retinal tears, retinal detachment, and large degrees of nearsightedness. So for your situation, I suggest you should go and see a doctor as soon as possible.