The whole thing is a skit. There’s no real patient on the other end of the autofractor. But the optometrist is using the skit as an educational opportunity for viewers. The optometrist warns in the ...

They tend to be more prevalent in older people and less common in kids under 5, though the mites can be transmitted through contact with hair and eyebrows and the sharing of personal hygiene ...

Two types of Demodex mites live on humans: Demodex folliculorum and Demodex ... They move from person to person by contact with hair, eyebrows, or oil glands on the skin. Both types have elongated ...

Most people on Earth are habitats for mites that spend the majority of their brief lives burrowed, head-first, in our hair ...