John often sees squiggly lines when he looks at a bright sky or white paper. His doctor says that they are called eye floaters, which are small bits of protein in the fluid that fills the eyeball. In what part of the eye are eye floaters found?

Eye floaters are small bits of protein suspended in the gel-like fluid that fills the space inside the eyeball. This fluid is called the vitreous humor, so the correct choice is vitreous humor. The cornea and lens help focus light, while the retina detects it.

AI-written and checked against the verified answer.