It’s simply an uncontrolled body response. Sneezing with your eyes open
feels impossible without using your
fingers to pry them open
Which has certainly been done, by one of the guys on Mythbusters and countless others.
“It is certainly possible to keep your eyes open if you try while you are sneezing … but it requires working against the reflex,” says co-author Vreeman, assistant professor of pediatrics at Indiana University School of Medicine. “It’s a very strong response.