Yes, some eye floaters can be seen even when eyes are closed.
When a person is suffering from eye floaters, her or she will see black or white moving spots in his or her field of vision. Sometimes when the floaters are large enough, they can form a curtain in your vision field and shade your eyesights.
Well, of course not. When you close your eyes, you cannot see eye floaters in your eyes. First, you should know that eye floaters are harmless and you do not need to be too worried about it. But on the other hand, too much eye floaters can be a sign of eye problem too. So according to some researches, you can take some ways to treat it. For example, some essential oil, such as tansy, sandalwood, juniper, lavender can be effective.
Yes, you could still see the eye floaters in your eyes at the moment you close your eyes. They are like the small dots at the upper eyelids. You should have the good rest for the eyes. You should not sit in front of the computers for a long time. You need to use the eye drops to release the symptom. You could also use the warm compress to make your eyes get comfortable.