It seemed solid, without even an Eyehole in it.
"Rung Ho!"
Talbot Mundy
Out of an Eyehole of the skull a dusty gray scorpion half crawled, then retreated, tail over back, venomous, deadly.
"The Flying Legion"
George Allan England
Turning himself about he found an Eyehole in the back of the litter so contrived that its occupant could see without being seen, and perceived that his escort amounted to a veritable army of splendid-looking, but sombre-faced savages of a somewhat Semitic cast of countenance.
"The Yellow God An Idol of Africa"
H. Rider Haggard