Those are pinworms 100%. See a Gastro doctor and request a colonoscopy and show pictures pinworms are difficult along with her eggs, we need to identify and storms the colonoscopy is this . They've gotten in your eyes mouth nose hair etc. because of the transfer of eggs under your fingernails in fingertips and I left behind on the door knobs clothing furniture in your car etc. everything you touch. Doctors will not believe this is likely although we know how likely it truly is and how disruptive it is active and you say it's not harmful have him spend a week or month with it and see how harmful it is. You can also test yourself with the scotch tape test for pinworms or use a lint roller tape as I did and do. If you do, have pinworms, which the pictures you showed are definitely pinworms then he most likely have additional test sites causing problems . Is that snow worms migrate to different parts of the body for a couple different reasons and also if you cannot get a doctor to help you start on parasite cleanses and that time is earth is one of the best cleanses as well as a good maintenance tool to take monthly to keep the worms that day while you're recovering. Cleanup of the home is extremely important as well as hi Jean to read yourself of these parasites. They also float in the air the eggs that is float in the air for up to two weeks Good luck !