Last summer, David, 24, was cycling through his hometown when what looked like a giant, magnified tapeworm appeared in his central vision, against the blue sky. It was accompanied by strange shadows, which looked to him like fast-moving mosquitoes, dark smudges and lines. Despite their appearance, these were not parasites. David had developed severe vitreous opacities, otherwise known as eye floaters.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/how-to-get-rid-of-eye-floaters